| Dicots: 529 species, 1996 photos | |||||
| |||||
|---|---|---|---|---|---|
| fruit Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| plant Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| |||||
| photo Jul 22, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| inflorescence Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| plant Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 14, 2005 Russell R. Kirt Prairie ![]() | |||||
| center red floret Jul 2, 2012 Russell R. Kirt Prairie Queen Anne's Lace | |||||
| photo Jul 15, 2012 Arrowhead Park, Naperville ![]() | |||||
| (Black Swallowtail) female ovipositing on Queen Anne's Lace Aug 19, 2013 Danada Forest Preserve, IL ![]() | |||||
| (Carrot Seed Moth) on Queen Anne's Lace Aug 20, 2014 Night Heron Marsh Forest Preserve Carrot Seed Moth | |||||
| (Carrot Seed Moth) on Queen Anne's Lace Aug 30, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| photo Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| fruit Feb 26, 2008 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 25, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| (Leafcutter Bee) female dorsal on Rattlesnake Master Jul 23, 2013 COD Main Campus ![]() | |||||
| (Transverse Flower Fly) female on Rattlesnake Master Jul 23, 2013 COD Main Campus 横向管蚜蝇 | |||||
| (Leafcutter Bee) female on Rattlesnake Master Jul 23, 2013 COD Main Campus ![]() | |||||
| (Common Drone Fly) male hairy eyes on Rattlesnake Master Jul 23, 2013 COD Main Campus ![]() | |||||
| (Common Drone Fly) male on Rattlesnake Master Jul 23, 2013 COD Main Campus ![]() | |||||
| (Wavy Mucksucker) mating on Rattlesnake Master Jul 23, 2013 COD Main Campus ![]() | |||||
| (Transverse Flower Fly) on Rattlesnake Master Jul 23, 2013 COD Main Campus ![]() | |||||
| (Great Golden Digger Wasp) on Rattlesnake Master Jul 23, 2013 COD Main Campus ![]() | |||||
| (Wedge-shaped Beetle) female on Rattlesnake Master Aug 1, 2013 COD Main Campus Wedge-shaped Beetle | |||||
| (Archytas Bristle Fly) on Rattlesnake Master Aug 1, 2013 COD Main Campus ![]() | |||||
| (Orange-legged Furrow Bee) on Rattlesnake Master Aug 1, 2013 COD Main Campus ![]() | |||||
| (Common Greenbottle Fly) on Rattlesnake Master Aug 1, 2013 COD Main Campus ![]() | |||||
| (Margined Leatherwing) mating on Rattlesnake Master Jul 20, 2014 Pioneer Park, Naperville ![]() | |||||
| |||||
| plant Feb 11, 2024 San Diego River Trail, CA ![]() | |||||
| |||||
| fruit Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| leaves Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| (Black Swallowtail) caterpillar on Common Cowparsnip Jun 27, 2009 Center for Green Technology ![]() | |||||
| (Black Swallowtail) pupa on Common Cowparsnip Jun 27, 2009 Center for Green Technology ![]() | |||||
| |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| |||||
| (Spotted Spreadwing) female on Wild Parsnip Jun 16, 2007 Russell R. Kirt Prairie ![]() | |||||
| inflorescence Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jun 20, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| leaves Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| (Silky Field Ant) on Wild Parsnip Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Jun 18, 2015 Oakhurst Forest Preserve ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 15, 2009 Russell R. Kirt Prairie ![]() | |||||
| photo Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| |||||
| flowers Jun 30, 2005 Russell R. Kirt Prairie ![]() | |||||
| (Margined Calligrapher) female on Chicory Sep 1, 2013 Arrowhead Park, Naperville ![]() | |||||
| (Dialictus Sweat Bee) flight on Chicory Sep 1, 2013 Arrowhead Park, Naperville ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| photo Jul 14, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 4, 2013 Danada Forest Preserve, IL ![]() | |||||
| |||||
| inflorescence Jul 11, 2025 Ketchikan, AK ![]() | |||||
| (Meadow Spittlebug) nymph dorsal on Orange Hawkweed Jul 11, 2025 Ketchikan, AK ![]() | |||||
| (Meadow Spittlebug) nymph profile on Orange Hawkweed Jul 11, 2025 Ketchikan, AK ![]() | |||||
| (Meadow Spittlebug) nymph spittle on Orange Hawkweed Jul 11, 2025 Ketchikan, AK ![]() | |||||
| plant Jul 11, 2025 Ketchikan, AK ![]() | |||||
| |||||
| flowers Jun 3, 2015 Danada Forest Preserve, IL ![]() | |||||
| leaves Jun 3, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo May 3, 2016 Danada Forest Preserve, IL ![]() | |||||
| |||||
| bud Jun 14, 2016 Chicago Montrose Harbor ![]() | |||||
| inflorescence Jun 14, 2016 Chicago Montrose Harbor ![]() | |||||
| |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Jun 18, 2014 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| photo Sep 23, 2012 Danada Forest Preserve, IL ![]() | |||||
| photo Jul 21, 2013 Starved Rock State Park, IL ![]() | |||||
| photo Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| (White Snakeroot Leafminer Fly) upperside mine on White Snakeroot Sep 16, 2014 Danada: Rice Lake ![]() | |||||
| (White Snakeroot Leafminer Fly) backlit mine on White Snakeroot Sep 3, 2022 Danada Forest Preserve, IL ![]() | |||||
| (White Snakeroot Leafminer Fly) upperside mine on White Snakeroot Sep 3, 2022 Danada Forest Preserve, IL ![]() | |||||
| plant Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Calycomyza Leafminer Fly) underside mine on White Snakeroot Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Calycomyza Leafminer Fly) upperside mine on White Snakeroot Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (White Snakeroot Leafminer Fly) backlit mine on White Snakeroot Sep 26, 2024 Chicago Montrose Harbor ![]() | |||||
| (White Snakeroot Leafminer Fly) upperside mine on White Snakeroot Sep 26, 2024 Chicago Montrose Harbor ![]() | |||||
| |||||
| photo Jun 22, 2005 Springbrook Prairie, IL ![]() | |||||
| (Orange Sulfur) female on Common Ragweed Jul 1, 2014 Danada: Rice Lake ![]() | |||||
| |||||
| photo Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| (Liriomyza Leafminer Fly) backlit mine on Giant Ragweed Sep 26, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Liriomyza Leafminer Fly) upperside mine on Giant Ragweed Sep 26, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Liriomyza Leafminer Fly) underside mine on Giant Ragweed Aug 30, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Liriomyza Leafminer Fly) upperside mine on Giant Ragweed Aug 30, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Ambrosiae Powdery Mildew) on Giant Ragweed Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo May 16, 2015 Pembroke Savanna, Kankakee IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| (Composite Leafminer Fly) blotch mine on Burdock Aug 15, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Chrysanthemum Leafminer Fly) upperside mine on Burdock Aug 15, 2022 Arrowhead Park, Naperville | |||||
| |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| photo Jun 14, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo Sep 27, 2018 COD Ecological Study Area ![]() | |||||
| (Indian Plantain Leafminer Moth) backlit mine on Pale Indian Plantain Oct 4, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Indian Plantain Leafminer Moth) upperside mine on Pale Indian Plantain Oct 4, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| colony Jan 30, 2025 Mission Trails Regional Park, CA ![]() | |||||
| |||||
| plant Sep 29, 2025 Bucharest, Romania ![]() | |||||
| (Chrysanthemum Leafminer Fly) upperside mine on Asteraceae Daisy Sep 29, 2025 Bucharest, Romania ![]() | |||||
| |||||
| flowers Dec 10, 2025 Riparian Preserve at Water Ranch ![]() | |||||
| shrub Dec 10, 2025 Riparian Preserve at Water Ranch ![]() | |||||
| twigs Dec 10, 2025 Riparian Preserve at Water Ranch ![]() | |||||
| |||||
| blossoms Jul 27, 2024 San Diego, CA ![]() | |||||
| spittles Jul 27, 2024 San Diego, CA ![]() | |||||
| |||||
| (Giant Honey Bee) pollen baskets on Beggarticks Jan 17, 2016 Chiang Mai, Thailand Giant Honey Bee | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| plant Oct 28, 2023 Montebello, CA ![]() | |||||
| (Agromyzidae Leafminer Fly) upperside mine on Hairy Beggarticks Oct 28, 2023 Montebello, CA ![]() | |||||
| |||||
| photo Aug 20, 2014 Night Heron Marsh Forest Preserve ![]() | |||||
| |||||
| photo Sep 8, 2014 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 10, 2007 COD Naperville Campus ![]() | |||||
| nodding Aug 30, 2007 COD Naperville Campus ![]() | |||||
| photo Jul 3, 2014 McDowell Grove Forest Preserve, IL ![]() | |||||
| buds Jun 8, 2015 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| |||||
| (Halictidae Sweat Bee) on Brown Knapweed Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| |||||
| phyllaries Jul 16, 2014 Danada Forest Preserve, IL ![]() | |||||
| plant Jul 16, 2014 Danada Forest Preserve, IL ![]() | |||||
| leaves Jul 17, 2014 Danada: Rice Lake ![]() | |||||
| receptacle Jul 17, 2014 Danada: Rice Lake ![]() | |||||
| top Jul 17, 2014 Danada: Rice Lake ![]() | |||||
| receptacle Aug 28, 2014 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Aug 3, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| (Eastern Carpenter Bee) on Tall Thistle Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| photo Jun 26, 2019 COD Naperville Campus ![]() | |||||
| |||||
| photo Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| photo Jul 18, 2012 West Chicago Prairie ![]() | |||||
| photo Jul 23, 2012 West Chicago Prairie ![]() | |||||
| (Common Eastern Bumble Bee) face on Field Thistle Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Common Eastern Bumble Bee) lateral on Field Thistle Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| plant Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| hillii Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Jun 28, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Thistle Long-horned Bee) female on Bull Thistle Aug 23, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Nigripalpis Flea Beetle) on Bull Thistle Aug 23, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| photo Sep 27, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 13, 2007 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| photo Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| seedling Jun 18, 2012 Russell R. Kirt Prairie ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| photo Oct 8, 2014 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 29, 2006 Russell R. Kirt Prairie ![]() | |||||
| seedling Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| flower Jun 11, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Melissodes Long-horned Bee) on Purple Coneflower Jun 17, 2015 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| (Black Swallowtail) male underside on Broad-leaved Purple Coneflower Jul 13, 2014 DuPage Unitarian Universalist Church ![]() | |||||
| |||||
| bush Feb 19, 2024 Superstition Flatiron Trail, AZ ![]() | |||||
| inflorescence Jan 24, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| (Common Drone Fly) male dorsal on Brittlebush Jan 24, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| (Common Drone Fly) male profile on Brittlebush Jan 24, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| shrub Feb 10, 2026 Red Mountain Park, Mesa AZ ![]() | |||||
| (Uroleucon Large Daisy Aphid) profile on Brittlebush Feb 24, 2026 Red Mountain Park, Mesa AZ ![]() | |||||
| shrub Feb 24, 2026 Red Mountain Park, Mesa AZ ![]() | |||||
| (Uroleucon Large Daisy Aphid) ventral on Brittlebush Feb 24, 2026 Red Mountain Park, Mesa AZ ![]() | |||||
| (Uroleucon Large Daisy Aphid) winged lateral on Brittlebush Feb 24, 2026 Red Mountain Park, Mesa AZ ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| photo May 8, 2021 Rocky Mountain Arsenal National Wildlife Refuge Rocky Mountain Arsenal National Wildlife Refuge | |||||
| (Cotton-gall Tephritid) gall on Rubber Rabbitbrush Dec 14, 2024 Grand Canyon, AZ ![]() | |||||
| (Cotton-gall Tephritid) open gall on Rubber Rabbitbrush Dec 14, 2024 Grand Canyon, AZ ![]() | |||||
| plant Dec 14, 2024 Grand Canyon, AZ ![]() | |||||
| |||||
| photo Aug 3, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 2, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Aug 11, 2012 Prairie Walk Pond, Lisle ![]() | |||||
| |||||
| photo Jun 22, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| (Yellow-collared Scape Moth) on Tall Boneset Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| (Yellow-shouldered Drone Fly) male flying on Tall Boneset Aug 28, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Yellow-shouldered Drone Fly) male on Tall Boneset Aug 28, 2013 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 8, 2014 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| (Leionotus Potter Wasp) on Common Boneset Aug 1, 2013 COD Main Campus ![]() | |||||
| |||||
| leaves Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| plant Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| |||||
| (Chinese Mantis) male immature on Spotted Joe Pye Weed Jul 22, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| inflorescence Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| photo Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| fruit Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| fruit Sep 23, 2012 Danada Forest Preserve, IL ![]() | |||||
| photo Jul 21, 2013 Starved Rock State Park, IL ![]() | |||||
| (Stigmella Leafminer Moth) backlit mine on Purple Joe Pye Weed Sep 3, 2022 Danada Forest Preserve, IL ![]() | |||||
| (Composite Leafminer Fly) upperside mine on Purple Joe Pye Weed Sep 3, 2022 Danada Forest Preserve, IL ![]() | |||||
| (Stigmella Leafminer Moth) upperside mine on Purple Joe Pye Weed Sep 3, 2022 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo May 13, 2021 Moab, Utah ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Sep 11, 2009 Springbrook Prairie, IL ![]() | |||||
| photo Sep 17, 2011 COD Seed Collection ![]() | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| |||||
| photo Sep 27, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 12, 2008 Aurora University ![]() | |||||
| inflorescence Sep 27, 2018 COD Ecological Study Area ![]() | |||||
| panicle Sep 27, 2018 COD Ecological Study Area ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Jul 21, 2013 Starved Rock State Park, IL ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| flower Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Aug 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Sawtooth Sunflower Midge) underside gall on Sawtooth Sunflower Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Sawtooth Sunflower Midge) upperside gall on Sawtooth Sunflower Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Cecidomyiidae Gall Midge) gall on Sawtooth Sunflower Oct 5, 2022 Springbrook Prairie, IL ![]() | |||||
| (Cecidomyiidae Gall Midge) open gall on Sawtooth Sunflower Oct 5, 2022 Springbrook Prairie, IL ![]() | |||||
| (Sawtooth Sunflower Midge) open gall on Sawtooth Sunflower Aug 12, 2023 Hinsdale Prairie, IL ![]() | |||||
| (Sawtooth Sunflower Midge) underside gall on Sawtooth Sunflower Aug 12, 2023 Hinsdale Prairie, IL ![]() | |||||
| (Sawtooth Sunflower Midge) upperside gall on Sawtooth Sunflower Aug 12, 2023 Hinsdale Prairie, IL ![]() | |||||
| |||||
| fruit Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| leaves Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| flowers Aug 21, 2016 Schulenberg Prairie, IL ![]() | |||||
| (Sunflower Headclipping Weevil) on Prairie Sunflower Aug 21, 2016 Schulenberg Prairie, IL ![]() | |||||
| |||||
| photo Sep 2, 2014 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 29, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| photo Jun 23, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 23, 2010 Chicago Northerly Island ![]() | |||||
| photo Aug 25, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| photo Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Jun 11, 2013 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 3, 2014 McDowell Grove Forest Preserve, IL ![]() | |||||
| (False Milkweed Bug) mating dorsal on False Sunflower Aug 10, 2016 Blackwell Forest Preserve, IL ![]() | |||||
| |||||
| photo May 16, 2015 Pembroke Savanna, Kankakee IL ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| photo May 16, 2015 Pembroke Savanna, Kankakee IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo May 27, 2008 Springbrook Prairie, IL ![]() | |||||
| |||||
| flower Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| flowers Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| |||||
| inflorescence Jul 18, 2005 Russell R. Kirt Prairie ![]() | |||||
| plants Jul 18, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 27, 2005 Russell R. Kirt Prairie ![]() | |||||
| leaves Jul 27, 2005 Russell R. Kirt Prairie ![]() | |||||
| stem Jul 27, 2005 Russell R. Kirt Prairie ![]() | |||||
| flower Jul 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| inflorescence Jul 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Aug 8, 2013 Cantera Commons, Warrenville ![]() | |||||
| |||||
| photo Jul 18, 2012 West Chicago Prairie ![]() | |||||
| |||||
| (Peck's Skipper) female underside on Butter Daisy Sep 15, 2016 Russell R. Kirt Prairie ![]() | |||||
| (Fiery Skipper) male upperside on Butter Daisy Sep 15, 2016 Russell R. Kirt Prairie ![]() | |||||
| (Peck's Skipper) male upperside on Butter Daisy Sep 15, 2016 Russell R. Kirt Prairie ![]() | |||||
| (Fiery Skipper) underside on Butter Daisy Sep 15, 2016 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo May 27, 2008 Springbrook Prairie, IL ![]() | |||||
| photo May 29, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 27, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| fruit Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 25, 2012 Russell R. Kirt Prairie ![]() | |||||
| flowering Jun 26, 2012 Russell R. Kirt Prairie Wild Quinine | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Jun 14, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| (European Drone Fly) on Wild Quinine Jul 11, 2013 COD Main Campus ![]() | |||||
| (Lucilia Greenbottle Fly) on Wild Quinine Jul 11, 2013 COD Main Campus | |||||
| (Ligated Furrow Bee) on Wild Quinine Jul 17, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| (Elateridae Click Beetle) on Yellow Coneflower Jul 9, 2009 West Chicago Prairie ![]() | |||||
| photo Jul 21, 2009 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 24, 2010 Russell R. Kirt Prairie ![]() | |||||
| fruit Oct 8, 2011 COD Seed Collection ![]() | |||||
| photo Jun 28, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Jul 17, 2014 Danada: Rice Lake ![]() | |||||
| |||||
| leaves May 8, 2012 COD Greenhouse ![]() | |||||
| |||||
| photo Jun 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| photo Jun 24, 2010 Russell R. Kirt Prairie ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| seedling Jun 19, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| photo Jun 14, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 21, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Sep 23, 2012 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 26, 2005 Russell R. Kirt Prairie ![]() | |||||
| cross section Sep 27, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 25, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| flower Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| inflorescence Jun 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| emergent Apr 19, 2006 Russell R. Kirt Prairie ![]() | |||||
| chopped heads Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| (Sunflower Headclipping Weevil) on Compass Plant Jul 21, 2009 Russell R. Kirt Prairie Sunflower Headclipping Weevil | |||||
| photo Jun 6, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Prairie Dock) hybrid on Compass Plant Jun 6, 2012 Russell R. Kirt Prairie ![]() | |||||
| ray florets Jul 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 14, 2013 Lincoln Marsh Forest Preserve ![]() | |||||
| (Nigripalpis Flea Beetle) on Compass Plant Aug 23, 2013 Russell R. Kirt Prairie | |||||
| seeds Sep 27, 2018 COD Ecological Study Area ![]() | |||||
| leaves Jul 29, 2021 James Woodworth Prairie, IL ![]() | |||||
| stalk Jul 29, 2021 James Woodworth Prairie, IL ![]() | |||||
| (Prairie Dock) hybrid on Compass Plant Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| (Brown Ambrosia Aphid) on Cup Plant Jun 17, 2007 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| ray florets Jul 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Jul 14, 2013 Lincoln Marsh Forest Preserve ![]() | |||||
| (Phytomyzinae Leafminer Fly) backlit mine on Cup Plant Sep 17, 2022 Naperville, IL ![]() | |||||
| (Phytomyzinae Leafminer Fly) upperside mine on Cup Plant Sep 17, 2022 Naperville, IL ![]() | |||||
| |||||
| plant Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| plant Jun 6, 2012 Russell R. Kirt Prairie ![]() | |||||
| plant Jun 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| flower Jul 23, 2012 West Chicago Prairie ![]() | |||||
| |||||
| photo Aug 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| (Philaenini True Spittlebug) nymph on Tall Goldenrod Jun 15, 2009 Russell R. Kirt Prairie ![]() | |||||
| (Brown Ambrosia Aphid) on Tall Goldenrod Jun 17, 2009 COD Ecological Study Area ![]() | |||||
| photo Aug 23, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Carbonifera Goldenrod Gall Midge) galls on Tall Goldenrod Sep 6, 2022 Naperville, IL Carbonifera Goldenrod Gall Midge | |||||
| (Phytomyza Leafminer Fly) backlit mine on Tall Goldenrod Sep 16, 2022 Arrowhead Park, Naperville | |||||
| (Phytomyza Leafminer Fly) upperside mine on Tall Goldenrod Sep 16, 2022 Arrowhead Park, Naperville | |||||
| (Carbonifera Goldenrod Gall Midge) backlit galls on Tall Goldenrod Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Carbonifera Goldenrod Gall Midge) galls on Tall Goldenrod Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| |||||
| (Goldenrod Gall Fly) gall larva on Canada Goldenrod Oct 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| (Goldenrod Gall Fly) gall larva on Canada Goldenrod Apr 9, 2008 Russell R. Kirt Prairie ![]() | |||||
| colony Sep 23, 2012 Danada Forest Preserve, IL ![]() | |||||
| Earthstar Fungus Aug 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Goldenrod Bunch Gall Midge) gall pupa dorsal on Canada Goldenrod Sep 17, 2015 Russell R. Kirt Prairie ![]() | |||||
| (Goldenrod Bunch Gall Midge) gall pupa on Canada Goldenrod Sep 17, 2015 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| flowers Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| flowers Sep 13, 2005 Russell R. Kirt Prairie ![]() | |||||
| plants Sep 13, 2005 Russell R. Kirt Prairie ![]() | |||||
| fruit Oct 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| (Black-shouldered Drone Fly) on Stiff Goldenrod Sep 17, 2011 COD Seed Collection ![]() | |||||
| (Narrow-headed Marsh Fly) on Stiff Goldenrod Sep 17, 2011 COD Seed Collection ![]() | |||||
| leaves Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Sep 27, 2014 Springbrook Prairie, IL ![]() | |||||
| (Melissodes Long-horned Bee) dorsal on Stiff Goldenrod Sep 12, 2015 COD Seed Collection | |||||
| (Melissodes Long-horned Bee) flying on Stiff Goldenrod Sep 12, 2015 COD Seed Collection ![]() | |||||
| |||||
| bloom Oct 7, 2022 Chicago Montrose Harbor ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| |||||
| (Transverse Flower Fly) female on Common Sow Thistle Jul 11, 2013 COD Main Campus ![]() | |||||
| flowers Jul 11, 2013 COD Main Campus ![]() | |||||
| leaves Jul 11, 2013 COD Main Campus ![]() | |||||
| |||||
| photo Jul 16, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| flowers Oct 8, 2011 COD Seed Collection ![]() | |||||
| leaves Oct 8, 2011 COD Seed Collection ![]() | |||||
| flowers Sep 9, 2014 Danada: Rice Lake ![]() | |||||
| (Narrow Bucculatrix Moth) linear backlit mine on Drummond's Aster Sep 20, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Narrow Bucculatrix Moth) linear mine on Drummond's Aster Sep 20, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Narrow Bucculatrix Moth) trumpet backlit caterpillar mine on Drummond's Aster Sep 20, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Narrow Bucculatrix Moth) trumpet mine on Drummond's Aster Sep 20, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Quinta Leafminer Fly) underside mine on Drummond's Aster Aug 12, 2023 Hinsdale Prairie, IL ![]() | |||||
| (Quinta Leafminer Fly) upperside mine on Drummond's Aster Aug 12, 2023 Hinsdale Prairie, IL ![]() | |||||
| |||||
| photo Sep 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Oct 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Oct 1, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 14, 2013 COD Seed Collection ![]() | |||||
| (Fiery Skipper) male on Heath Aster Sep 14, 2013 COD Seed Collection | |||||
| (Four-banded Stink Bug Hunter) on Heath Aster Sep 14, 2013 COD Seed Collection ![]() | |||||
| (Braconid Wasp) female on Heath Aster Sep 23, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Braconid Wasp) female profile on Heath Aster Sep 23, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Spotted Cucumber Beetle) on Heath Aster Sep 23, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Sep 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 27, 2006 Russell R. Kirt Prairie ![]() | |||||
| (Peck's Skipper) on Smooth Blue Aster Oct 1, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| seedling Jun 18, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| photo Sep 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo Sep 23, 2012 Danada Forest Preserve, IL ![]() | |||||
| photo Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Common Eastern Bumble Bee) hovering on New England Aster Sep 25, 2013 Lambert Lake, Glen Ellyn ![]() | |||||
| photo Sep 4, 2014 Danada Forest Preserve, IL ![]() | |||||
| stem Sep 4, 2014 Danada Forest Preserve, IL ![]() | |||||
| (Common Eastern Bumble Bee) hovering pollen basket on New England Aster Sep 27, 2014 Springbrook Prairie, IL ![]() | |||||
| (Common Eastern Bumble Bee) hovering pollen baskets on New England Aster Sep 27, 2014 Springbrook Prairie, IL ![]() | |||||
| (Geometer Moth) caterpillar on New England Aster Oct 7, 2014 Danada Forest Preserve, IL ![]() | |||||
| (Common Eastern Bumble Bee) male face on New England Aster Oct 3, 2015 COD Seed Collection ![]() | |||||
| (Common Eastern Bumble Bee) male lateral on New England Aster Oct 3, 2015 COD Seed Collection ![]() | |||||
| (Common Eastern Bumble Bee) male on New England Aster Oct 22, 2016 COD Seed Collection ![]() | |||||
| |||||
| photo Sep 13, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| (European Drone Fly) on Hairy Aster Sep 25, 2013 Lambert Lake, Glen Ellyn ![]() | |||||
| photo Sep 4, 2014 Danada Forest Preserve, IL ![]() | |||||
| stem Sep 4, 2014 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| (Bucculatrix Moth) backlit mine on Arrow-leaved Aster Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| leaf Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| plant Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Bucculatrix Moth) upperside mine on Arrow-leaved Aster Sep 14, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo May 26, 2013 Danada Forest Preserve, IL ![]() | |||||
| fruit Jun 11, 2013 Danada Forest Preserve, IL ![]() | |||||
| fruit Jun 8, 2016 Fermilab, Batavia ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| (Liriomyza Leafminer Fly) upperside mine on Wingstem Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 21, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| photo Jul 20, 2014 Pioneer Park, Naperville ![]() | |||||
| photo Jul 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| stem Jul 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| plant Jul 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| stem Jul 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| photo Jul 15, 2009 Danada Forest Preserve, IL ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| photo Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| flower Jul 21, 2013 Starved Rock State Park, IL ![]() | |||||
| |||||
| colony Aug 6, 2016 Indiana Dunes, MI ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| flower Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| leaves Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| colony Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| leaves Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| plant Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| (Scaevolana Leafminer Fly) upperside mine on Beach Naupaka Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| fruit Dec 27, 2024 Kauai, Hawaii ![]() | |||||
| leaf Dec 27, 2024 Kauai, Hawaii ![]() | |||||
| leaves Dec 27, 2024 Kauai, Hawaii ![]() | |||||
| plant Dec 27, 2024 Kauai, Hawaii ![]() | |||||
| (Scaevolana Leafminer Fly) upperside mine on Beach Naupaka Dec 27, 2024 Kauai, Hawaii ![]() | |||||
| |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| |||||
| photo May 6, 2010 Schulenberg Prairie, IL ![]() | |||||
| photo Mar 31, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| photo Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 19, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Apr 28, 2005 Blackwell Forest Preserve, IL ![]() | |||||
| photo Mar 31, 2007 Joliet Pilcher Park ![]() | |||||
| photo May 4, 2008 Knoch Knolls Park, Naperville ![]() | |||||
| photo Mar 31, 2012 COD Ecological Study Area ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 3, 2015 Knoch Knolls Park, Naperville ![]() | |||||
| colony May 3, 2015 Knoch Knolls Park, Naperville ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Apr 30, 2005 Elsen's Hill ![]() | |||||
| photo Apr 19, 2006 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Apr 29, 2008 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo May 27, 2008 Springbrook Prairie, IL ![]() | |||||
| photo May 6, 2010 Schulenberg Prairie, IL ![]() | |||||
| photo May 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| photo May 29, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Apr 19, 2006 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Mar 31, 2007 Joliet Pilcher Park ![]() | |||||
| photo May 4, 2008 Knoch Knolls Park, Naperville ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| |||||
| photo May 27, 2008 Springbrook Prairie, IL ![]() | |||||
| photo May 29, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| photo Jul 6, 2006 Russell R. Kirt Prairie ![]() | |||||
| |||||
| (Cabbage White) male on Charlock May 27, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 18, 2012 West Chicago Prairie ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| |||||
| photo Jun 17, 2009 COD Ecological Study Area ![]() | |||||
| |||||
| photo Aug 9, 2010 Dong Gang, Taiwan ![]() | |||||
| |||||
| photo Aug 23, 2012 COD Main Campus ![]() | |||||
| |||||
| (Whitelined Sphinx) larvae on Fringed Amaranth Aug 27, 2021 San Tan Trail, AZ Whitelined Sphinx | |||||
| |||||
| photo Jun 11, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| ball Dec 25, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| |||||
| (Gila Woodpecker) male on Saguaro Cactus May 17, 2021 Desert Botanical Garden, AZ ![]() | |||||
| (White-winged Dove) on Saguaro Cactus May 17, 2021 Desert Botanical Garden, AZ ![]() | |||||
| (Gila Woodpecker) male calling on Saguaro Cactus Jun 13, 2025 Desert Botanical Garden, AZ ![]() | |||||
| (House Finch) male feeding chick on Saguaro Cactus Jun 13, 2025 Desert Botanical Garden, AZ ![]() | |||||
| (White-winged Dove) perching on Saguaro Cactus Jun 13, 2025 Desert Botanical Garden, AZ ![]() | |||||
| |||||
| blossom Mar 29, 2025 San Tan Hedgehog Trail, AZ ![]() | |||||
| flowers Mar 29, 2025 San Tan Hedgehog Trail, AZ ![]() | |||||
| |||||
| photo Dec 23, 2022 Desert Botanical Garden, AZ ![]() | |||||
| |||||
| (Barrel Cactus Longhorn) back on Emory's Barrel Cactus Sep 7, 2025 Desert Botanical Garden, AZ ![]() | |||||
| barrel Sep 7, 2025 Desert Botanical Garden, AZ ![]() | |||||
| (Barrel Cactus Longhorn) dorsal on Emory's Barrel Cactus Sep 7, 2025 Desert Botanical Garden, AZ ![]() | |||||
| (Barrel Cactus Longhorn) face on Emory's Barrel Cactus Sep 7, 2025 Desert Botanical Garden, AZ ![]() | |||||
| (Barrel Cactus Longhorn) head on Emory's Barrel Cactus Sep 7, 2025 Desert Botanical Garden, AZ ![]() | |||||
| |||||
| photo Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| |||||
| photo Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 18, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo Jun 17, 2015 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 23, 2014 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Mar 31, 2007 Joliet Pilcher Park ![]() | |||||
| photo May 4, 2008 Knoch Knolls Park, Naperville ![]() | |||||
| photo Apr 24, 2011 Danada Forest Preserve, IL ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 7, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo Apr 14, 2015 Danada: Rice Lake ![]() | |||||
| (Spring Beauty Miner) dorsal on Spring Beauty May 4, 2023 Morton Arboretum, IL ![]() | |||||
| (Spring Beauty Miner) frontal on Spring Beauty May 4, 2023 Morton Arboretum, IL ![]() | |||||
| (Spring Beauty Miner) lateral on Spring Beauty May 4, 2023 Morton Arboretum, IL ![]() | |||||
| |||||
| fruit tuna Jul 18, 2015 Urubamba, Peru ![]() | |||||
| (True Cochineal Bug) female Carminic acid on Prickly Pear Cactus Jul 19, 2015 Ollantaytambo, Peru ![]() | |||||
| (True Cochineal Bug) female on Prickly Pear Cactus Jul 19, 2015 Ollantaytambo, Peru ![]() | |||||
| photo May 8, 2021 Rocky Mountain Arsenal National Wildlife Refuge ![]() | |||||
| |||||
| colony May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| leaves Aug 3, 2024 LA County Arboretum, CA ![]() | |||||
| plant Aug 3, 2024 LA County Arboretum, CA ![]() | |||||
| |||||
| colony Feb 12, 2024 Black's Beach, CA ![]() | |||||
| |||||
| (Cactus Chimney Bee) dorsal on Santa Rita Pricklypear Apr 22, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Orange-tipped Woodborer) dorsal on Santa Rita Pricklypear Apr 22, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Orange-tipped Woodborer) flying on Santa Rita Pricklypear Apr 22, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Cactus Chimney Bee) head on Santa Rita Pricklypear Apr 22, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Cactus Chimney Bee) lateral on Santa Rita Pricklypear Apr 22, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Cactus Chimney Bee) profile on Santa Rita Pricklypear Apr 22, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Orange-tipped Woodborer) profile on Santa Rita Pricklypear Apr 22, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Orange-tipped Woodborer) ventral on Santa Rita Pricklypear Apr 22, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Cactus Sap Beetle) dorsal on Santa Rita Pricklypear Apr 28, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Cactus Sap Beetle) profile on Santa Rita Pricklypear Apr 28, 2025 Encore Clubhouse, Mesa AZ ![]() | |||||
| |||||
| blossom Mar 21, 2024 Penghu, Taiwan ![]() | |||||
| colony Mar 21, 2024 Penghu, Taiwan ![]() | |||||
| |||||
| photo Sep 29, 2014 Hidden Lake Forest Preserve, IL ![]() | |||||
| (Green Cone-headed Planthopper) dorsal on Pokeweed Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Common Pirate Spider) egg sac on Pokeweed Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Green Cone-headed Planthopper) lateral on Pokeweed Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Citrus Flatid Planthopper) nymph waxy filaments on Pokeweed Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| photo Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| emersa Aug 24, 2014 Herrick Lake Forest Preserve, IL Water Knotweed | |||||
| emersa short Sep 13, 2014 COD Seed Collection Water Knotweed | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| |||||
| inflorescence Sep 27, 2006 Russell R. Kirt Prairie ![]() | |||||
| plant Sep 27, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 1, 2013 Arrowhead Park, Naperville ![]() | |||||
| (Chickweed Moth) male on Pennsylvania Knotweed Sep 1, 2013 Arrowhead Park, Naperville ![]() | |||||
| |||||
| photo Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| photo Aug 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| |||||
| fruit Jul 23, 2012 West Chicago Prairie ![]() | |||||
| fruit Aug 28, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| fruit Jun 30, 2005 Russell R. Kirt Prairie ![]() | |||||
| flowers Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| fruit Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| (Dwarf Periodical Cicada) on Gray Dogwood Jun 15, 2007 Russell R. Kirt Prairie ![]() | |||||
| (Spotted Spreadwing) female on Gray Dogwood Jun 16, 2007 Russell R. Kirt Prairie ![]() | |||||
| flowers May 4, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| flowers Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| (Sawfly) larva on Gray Dogwood Oct 6, 2014 Danada: Rice Lake ![]() | |||||
| (Antispila Shield-bearing Moth) underside mine on Gray Dogwood Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Antispila Shield-bearing Moth) upperside backlit mine on Gray Dogwood Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Antispila Shield-bearing Moth) upperside mine on Gray Dogwood Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| inflorescence May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| (Polyphemus Moth) cocoon on Red-osier Dogwood Apr 4, 2015 Morton Arboretum, IL ![]() | |||||
| |||||
| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| photo Apr 24, 2006 Naperville Riverwalk, IL ![]() | |||||
| photo Jun 29, 2009 Naperville Riverwalk, IL ![]() | |||||
| |||||
| photo Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| |||||
| photo Aug 12, 2012 Arrowhead Park, Naperville ![]() | |||||
| |||||
| photo Jun 29, 2009 Naperville Riverwalk, IL ![]() | |||||
| orange fruit Jul 5, 2014 McDowell Grove Forest Preserve, IL ![]() | |||||
| red fruit Jul 5, 2014 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| fruit Jun 30, 2005 Russell R. Kirt Prairie ![]() | |||||
| fruit Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| photo May 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| flowers May 26, 2013 Danada Forest Preserve, IL ![]() | |||||
| (Aulagromyza Leafminer Fly) upperside mine on Amur Honeysuckle Aug 22, 2022 Arrowhead Park, Naperville ![]() | |||||
| shrub Sep 8, 2023 Naperville, IL ![]() | |||||
| (Cornigera Leafminer Fly) underside mine on Amur Honeysuckle Sep 8, 2023 Naperville, IL ![]() | |||||
| (Cornigera Leafminer Fly) upperside mine on Amur Honeysuckle Sep 8, 2023 Naperville, IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| photo Jul 22, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| photo Jun 13, 2007 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| fruit Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| fruit Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| photo May 22, 2007 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo May 25, 2007 Russell R. Kirt Prairie ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| leaf Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| plant Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| stipules Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo May 16, 2007 Lake Renwick ![]() | |||||
| photo May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| fruit Mar 19, 2009 Russell R. Kirt Prairie ![]() | |||||
| fruit Jun 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 29, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| photo Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| photo Aug 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Sep 29, 2014 Hidden Lake Forest Preserve, IL ![]() | |||||
| |||||
| bark Oct 10, 2023 Truffle hunting Meteora, Greece ![]() | |||||
| fruit Oct 10, 2023 Truffle hunting Meteora, Greece ![]() | |||||
| |||||
| fruit Oct 14, 2020 Morton Arboretum, IL 美國柿 | |||||
| trunk Oct 14, 2020 Morton Arboretum, IL ![]() | |||||
| |||||
| (Ramalina Bushy Lichen) on Rhododendron Jul 14, 2025 Butchart Gardens, Canada ![]() | |||||
| leaves Jul 14, 2025 Butchart Gardens, Canada ![]() | |||||
| shrub Jul 14, 2025 Butchart Gardens, Canada ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| (European Honey Bee) on Qantu Jul 18, 2015 Urubamba, Peru 坎涂屬 | |||||
| (Xylocopa Carpenter Bee) robbing nectar on Qantu Jul 21, 2015 Cusco, Peru ![]() | |||||
| (Xylocopa Carpenter Bee) sipping nectar on Qantu Jul 21, 2015 Cusco, Peru ![]() | |||||
| |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo May 6, 2010 Schulenberg Prairie, IL ![]() | |||||
| photo Mar 31, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 11, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| |||||
| photo Jun 17, 2007 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 18, 2012 West Chicago Prairie ![]() | |||||
| (Phlox Leafminer Fly) upperside mine on Marsh Phlox Aug 12, 2023 Hinsdale Prairie, IL ![]() | |||||
| flowers Jun 24, 2024 Belmont Prairie, Downers Grove ![]() | |||||
| |||||
| Eastern Carpenter Bee pollinia Aug 21, 2020 Morton Arboretum, IL ![]() | |||||
| (Eastern Carpenter Bee) pollinia on Garden Phlox Aug 21, 2020 Morton Arboretum, IL ![]() | |||||
| |||||
| photo Apr 28, 2005 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 19, 2006 Blackwell Forest Preserve, IL ![]() | |||||
| photo Apr 9, 2012 COD Main Campus ![]() | |||||
| photo Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| buds May 8, 2012 COD Greenhouse ![]() | |||||
| photo May 7, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo May 14, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo May 7, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| flowers Oct 12, 2023 Archaia Olympia, Greece ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo May 6, 2010 Schulenberg Prairie, IL ![]() | |||||
| colony May 6, 2010 Schulenberg Prairie, IL ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| photo Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo May 14, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo May 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| |||||
| photo Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| |||||
| leaves Feb 11, 2026 Queen Creek Professional Center, AZ ![]() | |||||
| trunk Feb 11, 2026 Queen Creek Professional Center, AZ ![]() | |||||
| |||||
| photo Jun 14, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| flower Jun 29, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo May 4, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| flowers Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| flowers Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| leaves Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| inflorescence Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| fruit Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Jul 3, 2014 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jul 18, 2012 West Chicago Prairie ![]() | |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| photo Jul 23, 2012 West Chicago Prairie ![]() | |||||
| |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| flowers May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| inflorescence May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo May 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| fruit Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| pods Sep 13, 2005 Russell R. Kirt Prairie ![]() | |||||
| emergent Apr 19, 2006 Russell R. Kirt Prairie ![]() | |||||
| flowers Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| (Baptisia Seed Pod Weevil) eggs on White False Indigo Jun 21, 2006 Russell R. Kirt Prairie Baptisia Seed Pod Weevil | |||||
| (Baptisia Seed Pod Weevil) larvae on White False Indigo Jul 25, 2006 Russell R. Kirt Prairie Baptisia Seed Pod Weevil | |||||
| (Baptisia Seed Pod Weevil) profile on White False Indigo Jul 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 15, 2009 Russell R. Kirt Prairie ![]() | |||||
| (Baptisia Seed Pod Weevil) ovipositing on White False Indigo Jun 22, 2009 Schulenberg Prairie, IL Baptisia Seed Pod Weevil | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo May 27, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 11, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Jul 26, 2014 Springbrook Prairie, IL ![]() | |||||
| (Baptisia Seed Pod Weevil) dorsal on White False Indigo Sep 13, 2014 COD Seed Collection Baptisia Seed Pod Weevil | |||||
| |||||
| (Fornax Bromeliad Fly) female dorsal on Pink Fairy-Duster Jan 10, 2026 Encore at Eastmark, AZ ![]() | |||||
| (Fornax Bromeliad Fly) female profile on Pink Fairy-Duster Jan 10, 2026 Encore at Eastmark, AZ ![]() | |||||
| |||||
| leaves Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| plant Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| (Phyllocnistis Leafminer Moth) underside mine on Poisonous Sea Bean Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| (Phyllocnistis Leafminer Moth) upperside mine on Poisonous Sea Bean Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| |||||
| (Hairy Curtain Crust) on Carob Tree Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| fruit Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| leaflet Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| trunk Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| |||||
| photo Apr 26, 2006 Naperville Riverwalk, IL ![]() | |||||
| photo Mar 31, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| photo Jun 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| flowers Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| fruit Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 29, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| (Black-and-gold Bumble Bee) on White Prairie Clover Jul 17, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| inflorescence Aug 3, 2005 Russell R. Kirt Prairie Leafy Prairie Clover | |||||
| photo May 27, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 2, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| photo Jun 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| flowers Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| photo Jun 29, 2006 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 25, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| (Brown-belted Bumble Bee) on Purple Prairie Clover Jul 11, 2013 COD Main Campus ![]() | |||||
| |||||
| fruit Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| inflorescence Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| photo Jul 26, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 27, 2005 Russell R. Kirt Prairie ![]() | |||||
| leaves Jul 27, 2005 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| leaves Jul 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 3, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| seedling Jun 18, 2012 Russell R. Kirt Prairie ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| |||||
| (Evergreen Bagworm) on Honey Locust Dec 13, 2011 COD Main Campus ![]() | |||||
| (Parmelioideae Shield Lichen) on Honey Locust Sep 16, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Lingzhi Bracket) underside on Honey Locust Aug 28, 2023 Naperville, IL ![]() | |||||
| (Lingzhi Bracket) upperside on Honey Locust Aug 28, 2023 Naperville, IL ![]() | |||||
| |||||
| flowers Jul 25, 2012 COD Naperville Campus ![]() | |||||
| leaves Jul 25, 2012 COD Naperville Campus ![]() | |||||
| |||||
| photo Oct 30, 2004 Naperville Riverwalk, IL ![]() | |||||
| photo Apr 26, 2006 Naperville Riverwalk, IL ![]() | |||||
| fruit Mar 31, 2012 COD Ecological Study Area ![]() | |||||
| |||||
| flowers Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| fruit Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| fruit Jul 21, 2013 Starved Rock State Park, IL ![]() | |||||
| |||||
| photo Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Oct 18, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo Sep 11, 2009 Springbrook Prairie, IL ![]() | |||||
| photo Oct 1, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| |||||
| photo Jun 20, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| photo May 26, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| photo Jun 11, 2013 Danada Forest Preserve, IL ![]() | |||||
| (Wild Indigo Duskywing) female on Bird's-foot Trefoil Jul 10, 2014 McDowell Grove Forest Preserve, IL ![]() | |||||
| colors Jun 19, 2015 Danada Forest Preserve, IL ![]() | |||||
| (Oblong Woolcarder Bee) mating on Bird's-foot Trefoil Aug 2, 2016 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 27, 2009 Center for Green Technology ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| |||||
| photo Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 10, 2007 COD Naperville Campus ![]() | |||||
| photo Jun 22, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| shrub Nov 16, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| twig Nov 16, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| photo Jul 18, 2012 West Chicago Prairie ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| (Ostensackenella Leafminer Moth) caterpillar mine on Black Locust Aug 18, 2022 Arrowhead Park, Naperville ![]() | |||||
| |||||
| colony Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| flower Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| flowers Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Jun 11, 2013 Danada Forest Preserve, IL ![]() | |||||
| flower Sep 19, 2014 Hidden Lake Forest Preserve, IL ![]() | |||||
| |||||
| (Mesquite Mistletoe) bark on Catclaw Acacia Dec 21, 2023 Elm Canyon, Superior AZ ![]() | |||||
| (Mesquite Mistletoe) bough on Catclaw Acacia Dec 21, 2023 Elm Canyon, Superior AZ ![]() | |||||
| (Mesquite Mistletoe) fruit on Catclaw Acacia Dec 21, 2023 Elm Canyon, Superior AZ ![]() | |||||
| leaves Dec 21, 2023 Elm Canyon, Superior AZ ![]() | |||||
| |||||
| photo Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| fruit Aug 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo May 16, 2015 Pembroke Savanna, Kankakee IL ![]() | |||||
| |||||
| photo Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| (Monarch) female on Red Clover Jun 14, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Orange Sulfur) on Red Clover Jun 18, 2014 Danada Forest Preserve, IL ![]() | |||||
| (Orange Sulfur) female on Red Clover Jun 27, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Mar 17, 2012 Center for Green Technology ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| photo Jun 11, 2013 Russell R. Kirt Prairie ![]() | |||||
| 4 5 leaflets Oct 4, 2016 COD Main Campus ![]() | |||||
| |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| |||||
| photo Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| |||||
| fruit Jul 5, 2025 Denali Square, AK ![]() | |||||
| leaves Jul 5, 2025 Denali Square, AK ![]() | |||||
| shrub Jul 5, 2025 Denali Square, AK ![]() | |||||
| (Alder Erineum Mite) upperside galls on Green Alder Jul 5, 2025 Denali Square, AK ![]() | |||||
| |||||
| photo Jun 17, 2009 COD Main Campus ![]() | |||||
| |||||
| tree Jul 6, 2025 Denali Square, AK ![]() | |||||
| (Birch Polypore) underside on Alaska Paper Birch Jul 6, 2025 Denali Square, AK ![]() | |||||
| (Birch Polypore) upperside on Alaska Paper Birch Jul 6, 2025 Denali Square, AK ![]() | |||||
| |||||
| (Saginella Leafminer Moth) backlit mine on River Birch Sep 16, 2022 Arrowhead Park, Naperville | |||||
| (Eriophyidae Gall Mite) underside galls on River Birch Sep 16, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Eriophyidae Gall Mite) upperside galls on River Birch Sep 16, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Saginella Leafminer Moth) upperside mine on River Birch Sep 16, 2022 Arrowhead Park, Naperville | |||||
| |||||
| photo Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| photo May 19, 2006 Blackwell Forest Preserve, IL ![]() | |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| fruit Jun 26, 2012 Pat's Yard ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| fruit Jul 21, 2013 Starved Rock State Park, IL ![]() | |||||
| |||||
| fruit Oct 11, 2023 Meteora, Greece ![]() | |||||
| |||||
| (Live Oak Apple Gall Wasp) gall on California Live Oak Feb 11, 2024 San Diego River Trail, CA ![]() | |||||
| leaves Feb 11, 2024 San Diego River Trail, CA ![]() | |||||
| (Live Oak Apple Gall Wasp) open gall on California Live Oak Feb 11, 2024 San Diego River Trail, CA ![]() | |||||
| trunk Feb 11, 2024 San Diego River Trail, CA ![]() | |||||
| (Oak Anthracnose) on California Live Oak Jan 30, 2025 Mission Trails Regional Park, CA ![]() | |||||
| acorn Jan 30, 2025 Mission Trails Regional Park, CA ![]() | |||||
| twig Jan 30, 2025 Mission Trails Regional Park, CA ![]() | |||||
| (Oak Anthracnose) on California Live Oak Jan 31, 2025 Mission Trails Regional Park, CA ![]() | |||||
| acorn Jan 31, 2025 Mission Trails Regional Park, CA ![]() | |||||
| leaves Jan 31, 2025 Mission Trails Regional Park, CA ![]() | |||||
| |||||
| photo Jul 27, 2005 Russell R. Kirt Prairie ![]() | |||||
| (Jumping Oak Gall Wasp) underside galls on White Oak Jun 29, 2006 Russell R. Kirt Prairie ![]() | |||||
| (Hedgehog Gall Wasp) gall on White Oak Feb 26, 2008 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 17, 2011 COD Seed Collection ![]() | |||||
| buds Jun 6, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Hedgehog Gall Wasp) gall Lacewing egg on White Oak Jul 29, 2021 Russell R. Kirt Prairie ![]() | |||||
| (Oak Wart Gall Wasp) underside gall on White Oak Aug 6, 2022 Herrick Lake Forest Preserve, IL Oak Wart Gall Wasp | |||||
| (Oak Wart Gall Wasp) upperside gall on White Oak Aug 6, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Parornix Leafminer Moth) backlit mine on White Oak Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Oak Pygmy Leafminer Moth) backlit mine on White Oak Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Parornix Leafminer Moth) upperside mine on White Oak Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Oak Pygmy Leafminer Moth) upperside mine on White Oak Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Dwarf Periodical Cicada) female ovipositing on White Oak Jun 9, 2024 Arrowhead Park, Naperville ![]() | |||||
| (Pharaoh Periodical Cicada) female ovipositing on White Oak Jun 10, 2024 Arrowhead Park, Naperville Pharaoh Periodical Cicada | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| fruit Sep 7, 2011 Russell R. Kirt Prairie ![]() | |||||
| (Lobed Oak Gall Wasp) galls on Swamp White Oak Sep 7, 2011 Russell R. Kirt Prairie ![]() | |||||
| fruit Aug 23, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Lobed Oak Gall Wasp) galls on Swamp White Oak Aug 23, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Lobed Oak Gall Wasp) galls on Swamp White Oak Sep 3, 2015 Danada Forest Preserve, IL ![]() | |||||
| (Lobed Oak Gall Wasp) galls on Swamp White Oak Sep 10, 2015 Russell R. Kirt Prairie Lobed Oak Gall Wasp | |||||
| (Oak Rough Bulletgall Wasp) galls on Swamp White Oak Aug 25, 2016 Russell R. Kirt Prairie ![]() | |||||
| (Oak Rough Bulletgall Wasp) gall on Swamp White Oak Aug 31, 2021 Naperville, IL Oak Rough Bulletgall Wasp | |||||
| (Oak Rough Bulletgall Wasp) gall on Swamp White Oak Sep 5, 2021 Russell R. Kirt Prairie ![]() | |||||
| (Oak Petiole Gall Wasp) galls on Swamp White Oak Sep 5, 2021 Naperville, IL ![]() | |||||
| (Lobed Oak Gall Wasp) galls on Swamp White Oak Sep 5, 2021 Russell R. Kirt Prairie ![]() | |||||
| (Conical Oak Gall Wasp) underside galls on Swamp White Oak Sep 5, 2021 Russell R. Kirt Prairie Conical Oak Gall Wasp | |||||
| (Asian Lady Beetle) larva on Swamp White Oak Jun 13, 2022 Naperville, IL ![]() | |||||
| (Asian Lady Beetle) pupa on Swamp White Oak Jun 13, 2022 Naperville, IL ![]() | |||||
| branch Sep 21, 2023 DuPage County, IL ![]() | |||||
| trunk Sep 21, 2023 DuPage County, IL ![]() | |||||
| (Oak Button Gall Wasp) underside galls on Swamp White Oak Sep 21, 2023 DuPage County, IL ![]() | |||||
| (Oak Button Gall Wasp) upperside galls on Swamp White Oak Sep 21, 2023 DuPage County, IL ![]() | |||||
| |||||
| (Common Sunburst Lichen) on Kermes Oak Mar 21, 2023 Tiberias, Israel ![]() | |||||
| acorn Mar 21, 2023 Tiberias, Israel ![]() | |||||
| leaves Mar 21, 2023 Tiberias, Israel ![]() | |||||
| |||||
| trunk Feb 17, 2026 Encore at Eastmark, AZ ![]() | |||||
| twig Feb 17, 2026 Encore at Eastmark, AZ ![]() | |||||
| |||||
| (Lacuna Oak Gall Wasp) galls on Gambel Oak Oct 19, 2024 Flagstaff, AZ ![]() | |||||
| leaf underside Oct 19, 2024 Flagstaff, AZ ![]() | |||||
| leaves Oct 19, 2024 Flagstaff, AZ ![]() | |||||
| |||||
| photo Sep 7, 2011 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 18, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| (Candleflame Lichen) on Bur Oak Oct 18, 2005 Russell R. Kirt Prairie ![]() | |||||
| (Dwarf Periodical Cicada) egg slits on Bur Oak Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| buds Feb 26, 2008 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| (Acorn Moth) on Bur Oak Nov 4, 2011 Russell R. Kirt Prairie ![]() | |||||
| (Juliformia Round-backed Millipede) on Bur Oak Nov 4, 2011 Russell R. Kirt Prairie ![]() | |||||
| (Evergreen Bagworm) on Bur Oak Dec 13, 2011 COD Main Campus ![]() | |||||
| male flowers Mar 31, 2012 COD Ecological Study Area ![]() | |||||
| photo Jun 6, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| (Eastern Kingbird) on Bur Oak Jul 16, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Jewel Oak Gall Wasp) underside gall on Bur Oak Aug 30, 2021 Arrowhead Park, Naperville Jewel Oak Gall Wasp | |||||
| (Conical Oak Gall Wasp) underside galls on Bur Oak Aug 30, 2021 Arrowhead Park, Naperville Conical Oak Gall Wasp | |||||
| (Jewel Oak Gall Wasp) underside gall on Bur Oak Jun 24, 2022 Herrick Lake Forest Preserve, IL Jewel Oak Gall Wasp | |||||
| (Druon ignotum Oak Gall Wasp) underside galls on Bur Oak Jun 24, 2022 Herrick Lake Forest Preserve, IL Druon (wasp) | |||||
| (Jewel Oak Gall Wasp) underside gall on Bur Oak Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Neosymydobius Aphid) underside on Bur Oak Aug 6, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Oak Blister Gall Mite) open gall on Bur Oak Aug 15, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Jewel Oak Gall Wasp) open gall on Bur Oak Aug 15, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Oak Blister Gall Mite) upperside gall on Bur Oak Aug 15, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Jewel Oak Gall Wasp) upperside gall on Bur Oak Aug 15, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Oak Pygmy Leafminer Moth) upperside mine on Bur Oak Aug 15, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Solitary Oak Leafminer Moth) backlit caterpillar mine on Bur Oak Sep 26, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Solitary Oak Leafminer Moth) upperside mine on Bur Oak Sep 26, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Oak Pygmy Leafminer Moth) backlit mines on Bur Oak Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Oak Blister Gall Mite) open gall on Bur Oak Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Oak Blister Gall Mite) upperside galls on Bur Oak Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Oak Pygmy Leafminer Moth) upperside mines on Bur Oak Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Druon ignotum Oak Gall Wasp) underside gall on Bur Oak Oct 10, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Bur Oak Leafminer Moth) upperside mine on Bur Oak Sep 9, 2023 Whalon Lake, Naperville ![]() | |||||
| |||||
| photo Sep 7, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| (Oak Rough Bulletgall Wasp) gall on Chinquapin Oak Jul 20, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| leaves Jul 20, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Oak Rough Bulletgall Wasp) open gall on Chinquapin Oak Jul 20, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| trunk Jul 20, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Scissor Grinder) female molting from nymph on Chinquapin Oak Aug 20, 2022 Arrowhead Park, Naperville ![]() | |||||
| |||||
| catkin buds May 5, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| catkins May 5, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| photo Sep 7, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo Apr 18, 2012 Russell R. Kirt Prairie ![]() | |||||
| catkins Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| female flower Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| buds Aug 22, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Oak majalis Gall Midge) gall on Pin Oak Aug 22, 2022 Arrowhead Park, Naperville ![]() | |||||
| leaves Aug 22, 2022 Arrowhead Park, Naperville ![]() | |||||
| leaves May 30, 2023 Naperville, IL ![]() | |||||
| (Succulent Oak Gall Wasp) open gall on Pin Oak May 30, 2023 Naperville, IL ![]() | |||||
| trunk May 30, 2023 Naperville, IL ![]() | |||||
| (Succulent Oak Gall Wasp) underside gall on Pin Oak May 30, 2023 Naperville, IL ![]() | |||||
| |||||
| acorns Sep 21, 2025 Sofia, Bulgaria ![]() | |||||
| (Acorn Moth) larva head on Sessile Oak Sep 21, 2025 Sofia, Bulgaria ![]() | |||||
| (Acorn Moth) larva lateral on Sessile Oak Sep 21, 2025 Sofia, Bulgaria ![]() | |||||
| (Acorn Weevil) larva on Sessile Oak Sep 21, 2025 Sofia, Bulgaria ![]() | |||||
| (Acorn Weevil) larvae on Sessile Oak Sep 21, 2025 Sofia, Bulgaria ![]() | |||||
| leaves Sep 21, 2025 Sofia, Bulgaria ![]() | |||||
| trunk Sep 21, 2025 Sofia, Bulgaria ![]() | |||||
| |||||
| leaves Oct 10, 2023 Truffle hunting Meteora, Greece ![]() | |||||
| trunk Oct 10, 2023 Truffle hunting Meteora, Greece ![]() | |||||
| (Oak Powdery Mildew) on Downy Oak Oct 11, 2023 Meteora, Greece ![]() | |||||
| acorns Oct 11, 2023 Meteora, Greece ![]() | |||||
| (Brown Oak Slender) backlit mine on Downy Oak Oct 11, 2023 Meteora, Greece ![]() | |||||
| trunk Oct 11, 2023 Meteora, Greece ![]() | |||||
| (Brown Oak Slender) upperside mine on Downy Oak Oct 11, 2023 Meteora, Greece ![]() | |||||
| |||||
| fruit Sep 25, 2025 Timisoara, Romania ![]() | |||||
| leaves Sep 25, 2025 Timisoara, Romania ![]() | |||||
| trunk Sep 25, 2025 Timisoara, Romania ![]() | |||||
| |||||
| buds Feb 26, 2008 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 7, 2011 Russell R. Kirt Prairie ![]() | |||||
| catkins Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| female flower Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| acorn cap Jun 27, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| buds Jun 27, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Larger Empty Oak Apple Wasp) empty gall on Red Oak Jun 27, 2022 Herrick Lake Forest Preserve, IL Larger Empty Oak Apple Wasp | |||||
| (Larger Empty Oak Apple Wasp) gall on Red Oak Jun 27, 2022 Herrick Lake Forest Preserve, IL Larger Empty Oak Apple Wasp | |||||
| leaves Jun 27, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| trunk Jun 27, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Oak Leaf Gall Midge) upperside galls on Red Oak Jun 27, 2022 Herrick Lake Forest Preserve, IL Oak Leaf Gall Midge | |||||
| acorns Jul 2, 2022 Naperville, IL ![]() | |||||
| (Oak majalis Gall Midge) gall on Red Oak Jul 2, 2022 Naperville, IL ![]() | |||||
| leaves Jul 2, 2022 Naperville, IL ![]() | |||||
| trunk Jul 2, 2022 Naperville, IL ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| leaves May 16, 2015 Pembroke Savanna, Kankakee IL ![]() | |||||
| trunk May 16, 2015 Pembroke Savanna, Kankakee IL ![]() | |||||
| |||||
| (Oak Anthracnose) on Southern Live Oak Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| leaves Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| (Southern Live Oak Stem Gall Wasp) nipple gall on Southern Live Oak Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| (Southern Live Oak Stem Gall Wasp) open gall on Southern Live Oak Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| plant Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| (Southern Live Oak Stem Gall Wasp) round gall on Southern Live Oak Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| leaves Jan 29, 2026 Arrowhead Park, Chandler ![]() | |||||
| trunk Jan 29, 2026 Arrowhead Park, Chandler ![]() | |||||
| twig Jan 29, 2026 Arrowhead Park, Chandler ![]() | |||||
| acorns Feb 11, 2026 Queen Creek Professional Center, AZ ![]() | |||||
| leaves Feb 11, 2026 Queen Creek Professional Center, AZ ![]() | |||||
| trunk Feb 11, 2026 Queen Creek Professional Center, AZ ![]() | |||||
| |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| bud Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| (Hickory Placenta Gall Midge) underside gall on Shagbark Hickory Jun 24, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Hickory Onion Gall Midge) underside galls on Shagbark Hickory Jun 24, 2022 Herrick Lake Forest Preserve, IL Hickory Onion Gall Midge | |||||
| (Hickory Spiny Gall Midge) underside galls on Shagbark Hickory Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Globular Hickory Phylloxera) underside galls on Shagbark Hickory Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Globular Hickory Phylloxera) upperside galls on Shagbark Hickory Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Phylloxera Aphid) underside gall on Shagbark Hickory Aug 22, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Hickory Spiny Gall Midge) underside galls on Shagbark Hickory Aug 22, 2023 Herrick Lake Forest Preserve, IL Hickory Spiny Gall Midge | |||||
| (Phylloxera Aphid) upperside gall on Shagbark Hickory Aug 22, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Hickory Spiny Gall Midge) upperside galls on Shagbark Hickory Aug 22, 2023 Herrick Lake Forest Preserve, IL Hickory Spiny Gall Midge | |||||
| |||||
| (Pecan Weevil) larva head on Mockernut Hickory Oct 14, 2011 Danada Forest Preserve, IL Pecan Weevil | |||||
| (Pecan Weevil) larva on Mockernut Hickory Oct 14, 2011 Danada Forest Preserve, IL Pecan Weevil | |||||
| photo Jul 14, 2013 Lincoln Marsh Forest Preserve ![]() | |||||
| |||||
| (Chrysopidae Green Lacewing) egg on Black Walnut May 19, 2006 Blackwell Forest Preserve, IL ![]() | |||||
| leaf scar Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| (Clastoptera Spittlebug) nymph on Black Walnut Jun 22, 2009 Schulenberg Prairie, IL ![]() | |||||
| fruit Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| fruits Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| fruit Sep 19, 2014 Hidden Lake Forest Preserve, IL ![]() | |||||
| (Walnut Leafminer Moth) backlit mine on Black Walnut Sep 30, 2022 Naperville, IL ![]() | |||||
| (Walnut Leafminer Moth) upperside mine on Black Walnut Sep 30, 2022 Naperville, IL ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| |||||
| plant Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| leaves Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| plant Jun 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| fruit Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| flower Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| flowers Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| plant Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| (Fiery Skipper) male on Hemp Dogbane Jul 24, 2012 Russell R. Kirt Prairie ![]() | |||||
| plant Jul 24, 2012 Russell R. Kirt Prairie ![]() | |||||
| plant Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| (Meadow Spittlebug) nymph bubble on Hemp Dogbane Jun 16, 2015 Egermann Woods Forest Preserve ![]() | |||||
| (Dogbane Beetle) on Hemp Dogbane Jul 5, 2015 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo May 16, 2015 Pembroke Savanna, Kankakee IL ![]() | |||||
| |||||
| (Monarch) female ovipositing on Tropical Milkweed Jul 23, 2024 San Diego, CA ![]() | |||||
| flowers Jul 24, 2024 San Diego, CA ![]() | |||||
| |||||
| photo Jul 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 7, 2010 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 17, 2011 COD Seed Collection ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| seedling Jun 19, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 2, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Oleander Aphid) on Swamp Milkweed Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| inflorescence Jun 24, 2024 Belmont Prairie, Downers Grove ![]() | |||||
| leaf Jun 24, 2024 Belmont Prairie, Downers Grove ![]() | |||||
| |||||
| (Oleander Aphid) on Rush Milkweed Nov 19, 2023 Encore at Eastmark, AZ ![]() | |||||
| (Oleander Aphid) on Rush Milkweed Nov 20, 2023 Encore at Eastmark, AZ ![]() | |||||
| buds Dec 7, 2025 Encore at Eastmark, AZ ![]() | |||||
| (Blood-colored Milkweed Bug) dorsal on Rush Milkweed Dec 7, 2025 Encore at Eastmark, AZ Blood-colored Milkweed Bug | |||||
| (Blood-colored Milkweed Bug) lateral on Rush Milkweed Dec 7, 2025 Encore at Eastmark, AZ ![]() | |||||
| plant Dec 7, 2025 Encore at Eastmark, AZ ![]() | |||||
| (Blood-colored Milkweed Bug) profile on Rush Milkweed Dec 7, 2025 Encore at Eastmark, AZ Blood-colored Milkweed Bug | |||||
| (Queen) caterpillar on Rush Milkweed Jan 9, 2026 Encore at Eastmark, AZ | |||||
| (Oleander Aphid) on Rush Milkweed Jan 13, 2026 Encore at Eastmark, AZ ![]() | |||||
| |||||
| colony Jun 30, 2005 Russell R. Kirt Prairie ![]() | |||||
| inflorescence Jun 30, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| seeding May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| photo Jun 28, 2012 Russell R. Kirt Prairie ![]() | |||||
| seeding May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| pollinia Jun 29, 2006 Russell R. Kirt Prairie Pollinium | |||||
| (Gray Garden Slug) on Common Milkweed Aug 31, 2007 Slugs ![]() | |||||
| (Small-lined Acrobat Ant) Oleander Aphid on Common Milkweed Sep 4, 2007 COD Naperville Campus ![]() | |||||
| (Small-lined Acrobat Ant) Oleander Aphid on Common Milkweed Sep 4, 2007 COD Naperville Campus ![]() | |||||
| (Large Milkweed Bug) pod on Common Milkweed Oct 1, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| (European Honey Bee) dead on Common Milkweed Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| (European Honey Bee) pollinia on Common Milkweed Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| (Great Golden Digger Wasp) dorsal on Common Milkweed Jul 25, 2012 COD Naperville Campus ![]() | |||||
| (Milkweed Tussock Moth) on Common Milkweed Jul 25, 2012 COD Naperville Campus ![]() | |||||
| (Great Golden Digger Wasp) on Common Milkweed Jul 25, 2012 COD Naperville Campus ![]() | |||||
| (Large Milkweed Bug) pod on Common Milkweed Sep 23, 2012 Danada Forest Preserve, IL ![]() | |||||
| (European Honey Bee) landing on Common Milkweed Jun 28, 2013 BP Naperville ![]() | |||||
| (European Honey Bee) pollinia on Common Milkweed Jul 11, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Hummingbird Clearwing) hovers on Common Milkweed Jul 14, 2013 Lincoln Marsh Forest Preserve ![]() | |||||
| (Milkweed Tussock Moth) on Common Milkweed Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| (Large Milkweed Bug) pod on Common Milkweed Aug 28, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Large Milkweed Bug) molted exuviae on Common Milkweed Sep 14, 2013 COD Seed Collection Exuviae | |||||
| (Large Milkweed Bug) pod on Common Milkweed Sep 14, 2013 COD Seed Collection Large milkweed bug | |||||
| photo Jun 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Monarch) female ovipositing on Common Milkweed Jul 26, 2014 Springbrook Prairie, IL ![]() | |||||
| (Monarch) yellow egg on Common Milkweed Jul 26, 2014 Springbrook Prairie, IL ![]() | |||||
| (European Honey Bee) dead on Common Milkweed Jul 9, 2016 Arrowhead Park, Naperville ![]() | |||||
| (Monarch) egg on Common Milkweed Jul 23, 2020 Morton Arboretum, IL ![]() | |||||
| (Milkweed Leafminer Fly) backlit mine on Common Milkweed Sep 6, 2022 Naperville, IL ![]() | |||||
| (Milkweed Leafminer Fly) upperside mine on Common Milkweed Sep 6, 2022 Naperville, IL ![]() | |||||
| |||||
| photo Jun 14, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| photo Jun 30, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Aug 25, 2011 Russell R. Kirt Prairie ![]() | |||||
| (Oleander Aphid) on Butterfly Milkweed Oct 8, 2011 COD Seed Collection ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo Jun 11, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| flowers Jun 24, 2024 Belmont Prairie, Downers Grove ![]() | |||||
| plant Jun 24, 2024 Belmont Prairie, Downers Grove ![]() | |||||
| |||||
| fruit Oct 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| plant Oct 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| fruit Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo Jul 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| inflorescence Jun 24, 2024 Belmont Prairie, Downers Grove ![]() | |||||
| plant Jun 24, 2024 Belmont Prairie, Downers Grove ![]() | |||||
| |||||
| flower Jan 12, 2016 Sukhothai, Thailand 牛角瓜 | |||||
| |||||
| photo May 28, 2014 Molokai, Hawaii ![]() | |||||
| (Lecanoraceae Rim Lichen) on Frangipani Mar 20, 2024 Penghu, Taiwan ![]() | |||||
| branches Mar 20, 2024 Penghu, Taiwan ![]() | |||||
| trunk Mar 20, 2024 Penghu, Taiwan ![]() | |||||
| |||||
| photo Apr 28, 2015 Danada: Rice Lake ![]() | |||||
| |||||
| photo Sep 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Oct 1, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| photo Aug 19, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| |||||
| blossom Sep 26, 2024 Chicago Montrose Harbor ![]() | |||||
| bud Sep 26, 2024 Chicago Montrose Harbor ![]() | |||||
| plant Sep 26, 2024 Chicago Montrose Harbor ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 17, 2015 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Apr 30, 2005 Elsen's Hill ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| fruit Dec 28, 2024 Ha'ena State Park, Hawaii ![]() | |||||
| shrub Dec 28, 2024 Ha'ena State Park, Hawaii ![]() | |||||
| |||||
| flowers Jul 11, 2025 Ketchikan, AK ![]() | |||||
| |||||
| photo May 15, 2006 Naperville Riverwalk, IL ![]() | |||||
| photo May 19, 2006 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 14, 2013 Danada Forest Preserve, IL ![]() | |||||
| colony May 19, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo May 7, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| plant Oct 14, 2023 Athens, Greece ![]() | |||||
| |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| seedling Jun 18, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| photo Jul 18, 2012 West Chicago Prairie ![]() | |||||
| |||||
| (Catalpa Leafminer Fly) blotch mine on Northern Catalpa Aug 18, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Catalpa Leafminer Fly) linear mine on Northern Catalpa Aug 18, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Black Carpenter Ant) dorsal on Northern Catalpa Aug 22, 2022 Arrowhead Park, Naperville ![]() | |||||
| |||||
| photo Jul 15, 2015 Huaca Pucllana, Peru ![]() | |||||
| |||||
| photo Apr 28, 2005 Blackwell Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| photo Aug 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 18, 2013 COD Open Campus Center ![]() | |||||
| |||||
| photo Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| seedling Jun 18, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 25, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Fiery Skipper) male on Wild Bergamot Jul 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| (Yellow Bumble Bee) hovering on Wild Bergamot Aug 14, 2013 Cantera Commons, Warrenville Hover (behaviour) | |||||
| photo Jul 16, 2014 Danada Forest Preserve, IL ![]() | |||||
| (Black-and-gold Bumble Bee) on Wild Bergamot Jul 16, 2014 Danada Forest Preserve, IL ![]() | |||||
| (Monarda Powdery Mildew) on Wild Bergamot Aug 22, 2023 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Aug 6, 2016 Indiana Dunes, MI ![]() | |||||
| |||||
| (Lateral Bee Fly) on Catmint Aug 10, 2013 Naperville, IL ![]() | |||||
| |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| photo Jul 10, 2007 COD Naperville Campus ![]() | |||||
| photo Apr 9, 2008 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 25, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| Vassilikos Oct 17, 2023 Mykonos, Greece ![]() | |||||
| |||||
| photo Sep 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| flower Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo Aug 25, 2011 Russell R. Kirt Prairie ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| photo Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Eastern Carpenter Bee) on False Dragonhead Aug 18, 2013 Arrowhead Park, Naperville ![]() | |||||
| photo Oct 11, 2014 Arrowhead Park, Naperville ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| photo Jul 19, 2014 Blackwell Nursery Workday ![]() | |||||
| |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| (Four-banded Stink Bug Hunter) crawling on Slender Mountain Mint Jul 22, 2016 Chicago Monroe Harbor ![]() | |||||
| (Great Black Wasp) female 12 antennomeres on Slender Mountain Mint Jul 22, 2016 Chicago Monroe Harbor ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 6, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo Jun 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Halictidae Sweat Bee) on Common Mountain Mint Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| (Two-spotted Bumble Bee) on Common Mountain Mint Jul 23, 2013 COD Main Campus ![]() | |||||
| (Eastern Calligrapher) female on Common Mountain Mint Aug 1, 2013 COD Main Campus ![]() | |||||
| (Four-banded Stink Bug Hunter) on Common Mountain Mint Aug 1, 2013 COD Main Campus ![]() | |||||
| (European Drone Fly) on Common Mountain Mint Aug 1, 2013 COD Main Campus ![]() | |||||
| (Dark Paper Wasp) on Common Mountain Mint Aug 1, 2013 COD Main Campus ![]() | |||||
| (Four-banded Stink Bug Hunter) on Common Mountain Mint Jul 14, 2020 Arrowhead Park, Naperville ![]() | |||||
| (Four-banded Stink Bug Hunter) male on Common Mountain Mint Jul 17, 2020 Naperville, IL ![]() | |||||
| |||||
| (Eastern Carpenter Bee) male on Sage May 23, 2016 Burlington Square Park, Naperville ![]() | |||||
| (Eastern Carpenter Bee) male profile on Sage May 23, 2016 Burlington Square Park, Naperville ![]() | |||||
| |||||
| foam Nov 28, 2022 Encore Clubhouse, Mesa AZ ![]() | |||||
| leaves Nov 28, 2022 Encore Clubhouse, Mesa AZ ![]() | |||||
| (Common Sunburst Lichen) on Rosemary Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| flowers Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| shrub Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| (Ash Key Gall Mite) galls on Green Ash May 7, 2005 Naperville Riverwalk, IL ![]() | |||||
| (Dwarf Periodical Cicada) holes on Green Ash Jun 17, 2007 COD Main Campus ![]() | |||||
| photo Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| (Emerald Ash Borer) galleries on Green Ash Sep 25, 2013 Lambert Lake, Glen Ellyn ![]() | |||||
| (Ash Anthracnose) on Green Ash Jul 2, 2022 Naperville, IL ![]() | |||||
| (Ash Key Gall Mite) galls on Green Ash Jul 2, 2022 Naperville, IL ![]() | |||||
| leaves Jul 2, 2022 Naperville, IL ![]() | |||||
| trunk Jul 2, 2022 Naperville, IL ![]() | |||||
| (Ash Bead Gall Mite) underside galls on Green Ash Jul 23, 2022 Naperville, IL ![]() | |||||
| (Ash Bead Gall Mite) upperside galls on Green Ash Jul 23, 2022 Naperville, IL ![]() | |||||
| (Ash Bead Gall Mite) underside galls on Green Ash Aug 18, 2022 Arrowhead Park, Naperville Ash Bead Gall Mite | |||||
| (Ash Bead Gall Mite) upperside galls on Green Ash Aug 18, 2022 Arrowhead Park, Naperville Ash Bead Gall Mite | |||||
| |||||
| leaves Mar 29, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| trunk Mar 29, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| |||||
| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo May 6, 2010 Schulenberg Prairie, IL ![]() | |||||
| |||||
| leaves Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| plant Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| photo Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| |||||
| blossom Jul 11, 2025 Ketchikan, AK ![]() | |||||
| |||||
| photo May 12, 2021 Frisco, Colorado ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| photo Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 13, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| photo Jul 5, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| flower Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| flowers Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 15, 2009 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Jun 11, 2013 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 14, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo Jun 16, 2015 Egermann Woods Forest Preserve ![]() | |||||
| |||||
| photo Jul 26, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Nov 22, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jun 11, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 29, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 23, 2010 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| |||||
| leaves Jul 27, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 28, 2005 Russell R. Kirt Prairie ![]() | |||||
| flower Jul 28, 2005 Russell R. Kirt Prairie ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| |||||
| photo Jun 29, 2009 Naperville Riverwalk, IL ![]() | |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| |||||
| photo May 28, 2014 Molokai, Hawaii ![]() | |||||
| flowers Oct 18, 2023 Santorini, Greece ![]() | |||||
| spot Oct 18, 2023 Santorini, Greece ![]() | |||||
| flowers Oct 28, 2023 Montebello, CA ![]() | |||||
| (Herring-bone Leafminer Fly) leaf mine on Common Lantana Oct 28, 2023 Montebello, CA ![]() | |||||
| (Herring-bone Leafminer Fly) upperside mine on Common Lantana Oct 28, 2023 Montebello, CA ![]() | |||||
| flowers Dec 29, 2024 Kauai, Hawaii ![]() | |||||
| plant Dec 29, 2024 Kauai, Hawaii ![]() | |||||
| (Lantana Hispid) surface mine on Common Lantana Dec 29, 2024 Kauai, Hawaii ![]() | |||||
| (Lantana Leaf Blotch Miner) blotch mine on Common Lantana Jan 4, 2026 Desert Breeze Hummingbird Habitat, AZ ![]() | |||||
| (Lantana Leaf Blotch Miner) blotched mine on Common Lantana Jan 4, 2026 Desert Breeze Hummingbird Habitat, AZ ![]() | |||||
| (Stigmella Leafminer Moth) serpentine mine on Common Lantana Jan 4, 2026 Desert Breeze Hummingbird Habitat, AZ ![]() | |||||
| shrub Jan 4, 2026 Desert Breeze Hummingbird Habitat, AZ ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| photo Jul 2, 2012 Russell R. Kirt Prairie ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| flowers Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| (Peck's Skipper) face on Hoary Vervain Aug 16, 2013 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 19, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| photo Aug 8, 2013 Cantera Commons, Warrenville ![]() | |||||
| |||||
| (Powdery Cryptic Shade Lichen) on Camphor Tree Mar 12, 2024 Da'an Forest Park, Taiwan ![]() | |||||
| leaves Mar 12, 2024 Da'an Forest Park, Taiwan ![]() | |||||
| trunk Mar 12, 2024 Da'an Forest Park, Taiwan ![]() | |||||
| |||||
| leaves Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| (Red Bay Psyllid) open gall on Redbay Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| plant Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| trunk Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| (Red Bay Psyllid) upperside gall on Redbay Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| leaves Feb 23, 2025 Boneyard Beach, FL ![]() | |||||
| twig Feb 23, 2025 Boneyard Beach, FL ![]() | |||||
| (Persea Leafminer Moth) upperside mine on Redbay Feb 23, 2025 Boneyard Beach, FL ![]() | |||||
| |||||
| fruit May 13, 2022 Wakodahatchee Wetlands, FL ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| fruit Feb 26, 2008 Aurora University ![]() | |||||
| flower May 31, 2013 Morton Arboretum, IL ![]() | |||||
| |||||
| bud Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| fruit Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| |||||
| leaves Jul 22, 2015 Cusco, Peru ![]() | |||||
| |||||
| photo Nov 22, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| photo Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| photo Jul 18, 2012 West Chicago Prairie ![]() | |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| seeds Jan 25, 2013 COD Seed processing ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| fruit Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| flower Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Jul 9, 2009 West Chicago Prairie ![]() | |||||
| photo Jun 28, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| |||||
| (Brown-belted Bumble Bee) flight on Shrubby St. John's Wort Jul 11, 2013 COD Main Campus ![]() | |||||
| |||||
| fruit Jul 23, 2024 San Diego, CA ![]() | |||||
| |||||
| inflorescence Dec 29, 2024 Kauai, Hawaii ![]() | |||||
| plant Dec 29, 2024 Kauai, Hawaii ![]() | |||||
| (Liriomyza Leafminer Fly) upperside mine on Yellow Alder Dec 29, 2024 Kauai, Hawaii ![]() | |||||
| |||||
| photo May 29, 2014 Molokai, Hawaii ![]() | |||||
| |||||
| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| (Common Sunburst Lichen) on White Poplar Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| leaves Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| trunk Apr 1, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| |||||
| leaves Jul 5, 2025 Denali Square, AK ![]() | |||||
| (Aspen Serpentine Leafminer Moth) linear mine on Balsam Poplar Jul 5, 2025 Denali Square, AK ![]() | |||||
| plant Jul 5, 2025 Denali Square, AK ![]() | |||||
| |||||
| photo Oct 30, 2004 Naperville Riverwalk, IL ![]() | |||||
| fruit Jun 7, 2011 COD Westmont Center ![]() | |||||
| (Aspen Serpentine Leafminer Moth) serpentine mine on Cottonwood Sep 17, 2011 COD Seed Collection ![]() | |||||
| (Poplar Petiole Gall Aphid) gall on Cottonwood Oct 8, 2011 COD Seed Collection ![]() | |||||
| (Black Carpenter Ant) Poplar Aphid on Cottonwood Aug 24, 2013 Wild Ones Field Trip | |||||
| (Black Carpenter Ant) Poplar Aphid on Cottonwood Aug 24, 2013 Wild Ones Field Trip | |||||
| male catkin May 5, 2014 Russell R. Kirt Prairie | |||||
| (Poplar Leaf-base Gall Aphid) gall on Cottonwood Jul 6, 2022 Arrowhead Park, Naperville | |||||
| (Cottonwood Leafminer Moth) backlit mine on Cottonwood Sep 19, 2022 Naperville, IL ![]() | |||||
| (Cottonwood Leafminer Moth) upperside mine on Cottonwood Sep 19, 2022 Naperville, IL ![]() | |||||
| |||||
| (Bryopsida Joint-toothed Moss) on Black Poplar Jul 14, 2025 Victoria, Canada ![]() | |||||
| (Common Sunburst Lichen) on Black Poplar Jul 14, 2025 Victoria, Canada ![]() | |||||
| leaves Jul 14, 2025 Victoria, Canada ![]() | |||||
| plant Jul 14, 2025 Victoria, Canada ![]() | |||||
| |||||
| leaves Jul 4, 2025 Anchorage, AK ![]() | |||||
| plant Jul 4, 2025 Anchorage, AK ![]() | |||||
| (Aspen Gall Mite) underside galls on Quaking Aspen Jul 4, 2025 Anchorage, AK ![]() | |||||
| (Aspen Gall Mite) upperside galls on Quaking Aspen Jul 4, 2025 Anchorage, AK ![]() | |||||
| leaves Jul 5, 2025 Denali Square, AK ![]() | |||||
| (Aspen Gall Mite) upperside gall on Quaking Aspen Jul 5, 2025 Denali Square, AK ![]() | |||||
| (Aspen Serpentine Leafminer Moth) upperside mine on Quaking Aspen Jul 5, 2025 Denali Square, AK ![]() | |||||
| |||||
| flowers Mar 22, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| bark Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| leaves Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| plant Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| leaves Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| plant Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| plant Jun 28, 2025 Desert Botanical Garden, AZ ![]() | |||||
| twig Jun 28, 2025 Desert Botanical Garden, AZ ![]() | |||||
| (Willow Bead Gall Mite) underside galls on Goodding's Willow Jun 28, 2025 Desert Botanical Garden, AZ ![]() | |||||
| (Willow Bead Gall Mite) upperside galls on Goodding's Willow Jun 28, 2025 Desert Botanical Garden, AZ ![]() | |||||
| |||||
| photo Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| photo Apr 24, 2015 Maple Grove Forest Preserve ![]() | |||||
| photo Apr 27, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| photo May 16, 2015 Sweet Fern Savanna, Kankakee IL ![]() | |||||
| |||||
| photo Apr 19, 2006 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo May 4, 2008 Knoch Knolls Park, Naperville ![]() | |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo Apr 24, 2011 Danada Forest Preserve, IL ![]() | |||||
| priceana Mar 31, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| leaves Jun 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo Apr 27, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo May 11, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Aug 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| (Mallow Leafminer Fly) underside mine on Velvet Leaf Sep 8, 2023 Naperville, IL ![]() | |||||
| (Mallow Leafminer Fly) upperside mine on Velvet Leaf Sep 8, 2023 Naperville, IL ![]() | |||||
| |||||
| fruit Mar 23, 2024 Taichung, Taiwan ![]() | |||||
| kapok Mar 23, 2024 Taichung, Taiwan ![]() | |||||
| leaves Mar 23, 2024 Taichung, Taiwan ![]() | |||||
| trunk Mar 23, 2024 Taichung, Taiwan ![]() | |||||
| |||||
| photo Jan 13, 2016 Chiang Rai, Thailand ![]() | |||||
| |||||
| cultivar Aug 6, 2016 Indiana Dunes, MI ![]() | |||||
| |||||
| hybrid Jun 3, 2014 Kauai, Hawaii ![]() | |||||
| |||||
| photo Aug 19, 2013 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo May 28, 2014 Molokai, Hawaii ![]() | |||||
| |||||
| photo Jul 23, 2014 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| flower Sep 22, 2025 Belgrade, Serbia ![]() | |||||
| |||||
| photo May 27, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| photo Jul 2, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo May 13, 2021 Moab, Utah ![]() | |||||
| |||||
| flower Dec 25, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| plant Dec 25, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| (Cactus Chimney Bee) dorsal on Desert Globemallow Feb 8, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| (Globe Mallow Bee) face on Desert Globemallow Feb 8, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| (Globe Mallow Bee) profile on Desert Globemallow Feb 8, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| shrub Feb 8, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| |||||
| (Aphididae Aphid) dorsal on Linden Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| (Aphidinae Aphid) dorsal on Linden Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| (Aphididae Aphid) lateral on Linden Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| leaves Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| |||||
| fruit Jun 7, 2011 COD Westmont Center ![]() | |||||
| photo Jul 16, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| (Lime Nail Gall Mite) tip galls on American Linden Jul 5, 2022 Naperville, IL ![]() | |||||
| (Lime Nail Gall Mite) upperside galls on American Linden Jul 5, 2022 Naperville, IL ![]() | |||||
| fruit Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| (Citrina Gall Midge) gall on American Linden Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| leaves Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| trunk Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| (Linden Wart Gall Midge) underside gall on American Linden Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| (Linden Wart Gall Midge) upperside gall on American Linden Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| |||||
| leaves Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| (Leucochorda Leafminer Moth) underside mine on Sea Almond Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| (Leucochorda Leafminer Moth) upperside mine on Sea Almond Dec 26, 2024 Kauai, Hawaii ![]() | |||||
| |||||
| photo Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 22, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 14, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| seedling Jul 5, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 19, 2013 Danada Forest Preserve, IL ![]() | |||||
| carpenter bee Aug 20, 2014 Night Heron Marsh Forest Preserve ![]() | |||||
| |||||
| fruit Oct 9, 2023 Thessaloniki, Greece ![]() | |||||
| |||||
| leaves Oct 11, 2023 Meteora, Greece ![]() | |||||
| tree Oct 11, 2023 Meteora, Greece ![]() | |||||
| trunk Oct 11, 2023 Meteora, Greece ![]() | |||||
| |||||
| photo Jan 3, 2006 Colosseum, Rome ![]() | |||||
| |||||
| leaves Jul 23, 2024 San Diego, CA ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| fruit Sep 8, 2014 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Oct 1, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo Sep 29, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| flower Oct 8, 2011 COD Seed Collection ![]() | |||||
| leaves Oct 8, 2011 COD Seed Collection ![]() | |||||
| plant Aug 26, 2016 Russell R. Kirt Prairie ![]() | |||||
| |||||
| (American White Waterlily) on Water Shield Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| |||||
| photo Jun 20, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| (Greenfrog) on American White Waterlily Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| photo Aug 11, 2012 Prairie Walk Pond, Lisle ![]() | |||||
| colony Jun 6, 2025 Desert Breeze Hummingbird Habitat, AZ ![]() | |||||
| inflorescence Jun 6, 2025 Desert Breeze Hummingbird Habitat, AZ ![]() | |||||
| |||||
| photo May 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| photo Jun 2, 2015 Mayslake Forest Preserve ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| |||||
| photo Apr 28, 2005 Blackwell Forest Preserve, IL ![]() | |||||
| flower May 5, 2005 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 4, 2008 Knoch Knolls Park, Naperville ![]() | |||||
| flower May 4, 2008 Knoch Knolls Park, Naperville ![]() | |||||
| bud Mar 31, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| flowers Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| flowers Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 26, 2015 Sugarland Run, VA ![]() | |||||
| |||||
| leaves Aug 2, 2010 Kamakura, Japan ![]() | |||||
| white Aug 2, 2010 Kamakura, Japan ![]() | |||||
| (Red Dwarf Honey Bee) pollinating on Sacred Lotus Jan 10, 2016 Bangkok, Thailand Red Dwarf Honey Bee | |||||
| (Red Dwarf Honey Bee) swarm on Sacred Lotus Jan 10, 2016 Bangkok, Thailand ![]() | |||||
| (Pagden's Stingless Bee) on Sacred Lotus Jan 11, 2016 Bang Pa-In Palace, Thailand Tetragonula | |||||
| |||||
| photo Oct 23, 2006 Naperville Riverwalk, IL ![]() | |||||
| fruit Feb 26, 2008 Aurora University ![]() | |||||
| (Sycamore Anthracnose) on American Sycamore Jul 6, 2022 Arrowhead Park, Naperville ![]() | |||||
| trichomes Jul 6, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Sycamore Leafminer Moth) backlit mine on American Sycamore Oct 5, 2024 Meramec Caverns, MO ![]() | |||||
| leaves Oct 5, 2024 Meramec Caverns, MO ![]() | |||||
| plant Oct 5, 2024 Meramec Caverns, MO ![]() | |||||
| (Sycamore Leafminer Moth) upperside mine on American Sycamore Oct 5, 2024 Meramec Caverns, MO ![]() | |||||
| |||||
| photo Jul 31, 2008 Burgos, Spain ![]() | |||||
| (Common Sunburst Lichen) on Oriental Plane Mar 28, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| leaves Mar 28, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| trunk Mar 28, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| flower clusters Mar 30, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| fruit clusters Mar 30, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| leaf Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| leaves Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| (Platani Leafminer Moth) upperside mine on Oriental Plane Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| bark Oct 9, 2023 Thessaloniki, Greece ![]() | |||||
| fruit Oct 9, 2023 Thessaloniki, Greece ![]() | |||||
| |||||
| (Broadleaf Mistletoe) on Western Sycamore Jan 31, 2025 Mission Trails Regional Park, CA ![]() | |||||
| bud Jan 31, 2025 Mission Trails Regional Park, CA ![]() | |||||
| (Broadleaf Mistletoe) leaves on Western Sycamore Jan 31, 2025 Mission Trails Regional Park, CA Broadleaf Mistletoe | |||||
| leaves Jan 31, 2025 Mission Trails Regional Park, CA ![]() | |||||
| trunk Jan 31, 2025 Mission Trails Regional Park, CA ![]() | |||||
| |||||
| photo Dec 28, 2005 London, UK ![]() | |||||
| |||||
| fruit May 27, 2014 Molokai, Hawaii ![]() | |||||
| |||||
| fruit Jul 14, 2025 Victoria, Canada ![]() | |||||
| leaves Jul 14, 2025 Victoria, Canada ![]() | |||||
| |||||
| (Virginia Bluebells) on Twinleaf Apr 19, 2006 Willowbrook Wildlife Center, IL ![]() | |||||
| photo Apr 19, 2006 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| photo Apr 28, 2005 Blackwell Forest Preserve, IL ![]() | |||||
| photo Apr 19, 2006 Willowbrook Wildlife Center, IL ![]() | |||||
| photo May 19, 2006 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo May 6, 2010 Schulenberg Prairie, IL ![]() | |||||
| photo Apr 24, 2011 Danada Forest Preserve, IL ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| photo Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 19, 2013 Danada Forest Preserve, IL ![]() | |||||
| fruit Jul 21, 2013 Starved Rock State Park, IL ![]() | |||||
| photo May 7, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| colony Apr 23, 2015 Danada Forest Preserve, IL ![]() | |||||
| flower Apr 23, 2015 Danada Forest Preserve, IL ![]() | |||||
| flowers Apr 23, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Mar 31, 2007 Joliet Pilcher Park ![]() | |||||
| photo Apr 24, 2011 Danada Forest Preserve, IL ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| photo Apr 14, 2015 Danada: Rice Lake ![]() | |||||
| |||||
| fruit Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| stem Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| emergent Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Jun 5, 2015 McDowell Grove Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 22, 2009 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 15, 2009 Danada Forest Preserve, IL ![]() | |||||
| fruit Nov 1, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo Jul 2, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| fruit Jul 21, 2013 Starved Rock State Park, IL ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| |||||
| photo May 11, 2007 Carthage College ![]() | |||||
| |||||
| photo Apr 28, 2005 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo Apr 26, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 19, 2013 Danada Forest Preserve, IL ![]() | |||||
| (Columbine Leafminer Fly) upperside mine on Wild Columbine Sep 19, 2022 Naperville, IL | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Mar 31, 2007 Joliet Pilcher Park ![]() | |||||
| photo May 27, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Apr 24, 2015 Maple Grove Forest Preserve ![]() | |||||
| colony Apr 24, 2015 Maple Grove Forest Preserve ![]() | |||||
| flower Apr 24, 2015 Maple Grove Forest Preserve ![]() | |||||
| (Greater Bee Fly) on False Rue Anemone Apr 24, 2015 Maple Grove Forest Preserve ![]() | |||||
| |||||
| bloom May 12, 2021 Frisco, Colorado ![]() | |||||
| colony May 12, 2021 Frisco, Colorado ![]() | |||||
| |||||
| photo May 11, 2007 Carthage College ![]() | |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| photo Apr 9, 2012 COD Main Campus ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| photo May 7, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo May 11, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo Apr 21, 2015 Danada Forest Preserve, IL ![]() | |||||
| photo Apr 23, 2015 Danada Forest Preserve, IL ![]() | |||||
| flower Apr 23, 2015 Danada Forest Preserve, IL ![]() | |||||
| inflorescence Apr 23, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Mar 31, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| flower May 7, 2012 COD Greenhouse ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| male Jun 8, 2016 Fermilab, Batavia ![]() | |||||
| |||||
| male flowers Mar 31, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| photo May 3, 2005 Danada Forest Preserve, IL ![]() | |||||
| photo May 4, 2008 Knoch Knolls Park, Naperville ![]() | |||||
| |||||
| photo Jun 24, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo May 8, 2012 COD Greenhouse ![]() | |||||
| photo Jun 16, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 10, 2012 Belmont Prairie, Downers Grove ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| fruit Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| |||||
| photo Jun 7, 2011 COD Westmont Center ![]() | |||||
| fruit Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| (Fall Webworm Moth) caterpillar on Common Buckthorn Oct 8, 2014 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo May 15, 2006 Naperville Riverwalk, IL ![]() | |||||
| photo Oct 23, 2006 Naperville Riverwalk, IL ![]() | |||||
| (Dwarf Periodical Cicada) molted exuviae on Hackberry Jun 22, 2007 DuPage River Trail, Naperville ![]() | |||||
| fruit Oct 1, 2010 Russell R. Kirt Prairie ![]() | |||||
| (Hackberry Nipplegall Psyllid) underside galls on Hackberry Aug 31, 2021 Naperville, IL ![]() | |||||
| (Agromyza Leafminer Fly) backlit mine on Hackberry Sep 30, 2022 Naperville, IL ![]() | |||||
| (Agromyza Leafminer Fly) upperside mine on Hackberry Sep 30, 2022 Naperville, IL ![]() | |||||
| |||||
| (Empress Leilia) lateral on Spiny Hackberry Jun 21, 2025 Boyce Thompson Arboretum, AZ ![]() | |||||
| twig Jun 21, 2025 Boyce Thompson Arboretum, AZ ![]() | |||||
| (Empress Leilia) underside on Spiny Hackberry Jun 21, 2025 Boyce Thompson Arboretum, AZ ![]() | |||||
| (Empress Leilia) upperside on Spiny Hackberry Jun 21, 2025 Boyce Thompson Arboretum, AZ ![]() | |||||
| |||||
| leaves Oct 14, 2023 Athens, Greece ![]() | |||||
| (Unkown Moth) upperside mine on Oleaster Oct 14, 2023 Athens, Greece ![]() | |||||
| |||||
| fruit Jan 11, 2016 Ayutthaya, Thailand ![]() | |||||
| |||||
| shrub Sep 24, 2025 Novi Sad, Serbia ![]() | |||||
| |||||
| photo Jul 19, 2012 COD Ecological Study Area ![]() | |||||
| fruit Oct 9, 2020 COD Main Campus ![]() | |||||
| hand Oct 9, 2020 COD Main Campus ![]() | |||||
| |||||
| photo Oct 30, 2004 Naperville Riverwalk, IL ![]() | |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| fruit Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| fruit Jun 13, 2006 COD Ecological Study Area ![]() | |||||
| photo Jun 16, 2015 Egermann Woods Forest Preserve ![]() | |||||
| fruit Jun 16, 2015 Egermann Woods Forest Preserve ![]() | |||||
| sidewalk Jun 16, 2015 Egermann Woods Forest Preserve ![]() | |||||
| |||||
| photo Aug 9, 2010 Dong Gang, Taiwan ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| |||||
| (Black Knot) on Serviceberry Jul 10, 2023 Naperville, IL ![]() | |||||
| (Parmelioideae Shield Lichen) on Serviceberry Jul 10, 2023 Naperville, IL ![]() | |||||
| (Powdery Sunburst Lichen) on Serviceberry Jul 10, 2023 Naperville, IL ![]() | |||||
| fruit Jul 10, 2023 Naperville, IL ![]() | |||||
| shrub Jul 10, 2023 Naperville, IL ![]() | |||||
| (Cedar-Hawthorn Rust) underside spots on Serviceberry Jul 10, 2023 Naperville, IL ![]() | |||||
| (Cedar-Hawthorn Rust) upperside spots on Serviceberry Jul 10, 2023 Naperville, IL ![]() | |||||
| |||||
| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| photo Oct 30, 2004 Naperville Riverwalk, IL ![]() | |||||
| fruit Jun 22, 2007 DuPage River Trail, Naperville ![]() | |||||
| photo Jun 27, 2009 Center for Green Technology ![]() | |||||
| |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| photo Apr 25, 2014 Springbrook Prairie, IL ![]() | |||||
| (Cedar-Quince Rust) aecia on Cockspur Hawthorn Sep 13, 2015 Cress Creek Square, Naperville ![]() | |||||
| (Cedar-Quince Rust) fruit on Cockspur Hawthorn Sep 13, 2015 Cress Creek Square, Naperville ![]() | |||||
| (Codling Moth) larva head on Cockspur Hawthorn Sep 13, 2015 Cress Creek Square, Naperville ![]() | |||||
| (Codling Moth) larva on Cockspur Hawthorn Sep 13, 2015 Cress Creek Square, Naperville ![]() | |||||
| (Cedar-Quince Rust) tubes on Cockspur Hawthorn Sep 13, 2015 Cress Creek Square, Naperville ![]() | |||||
| (Hawthorn Gall Midge) underside gall on Cockspur Hawthorn Oct 2, 2022 Danada Forest Preserve, IL ![]() | |||||
| (Hawthorn Gall Midge) upperside gall on Cockspur Hawthorn Oct 2, 2022 Danada Forest Preserve, IL ![]() | |||||
| |||||
| flowers May 5, 2007 Herrick Lake Forest Preserve, IL ![]() | |||||
| plant May 5, 2007 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| (Cedar-Quince Rust) overwintering gall on Washington Hawthorn Oct 5, 2022 Springbrook Prairie, IL ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jul 9, 2005 Springbrook Prairie, IL ![]() | |||||
| photo Jun 29, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 27, 2009 Center for Green Technology ![]() | |||||
| fruit Sep 17, 2011 COD Seed Collection ![]() | |||||
| seedling May 7, 2012 COD Greenhouse ![]() | |||||
| seedling Jun 18, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 28, 2012 Russell R. Kirt Prairie ![]() | |||||
| seedling May 8, 2013 COD Greenhouse ![]() | |||||
| |||||
| photo May 11, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo May 29, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo May 13, 2015 Morton Arboretum, IL ![]() | |||||
| |||||
| photo Jun 13, 2007 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 18, 2013 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 13, 2007 Russell R. Kirt Prairie ![]() | |||||
| |||||
| flower May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| plant May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| photo Mar 15, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| photo Jul 2, 2012 Russell R. Kirt Prairie ![]() | |||||
| |||||
| fruit Feb 1, 2025 Tecolote Canyon Natural Park, CA ![]() | |||||
| (Toyon Leafminer Moth) linear mine on Toyon Feb 1, 2025 Tecolote Canyon Natural Park, CA ![]() | |||||
| (Toyon Leafminer Moth) serpentine mine on Toyon Feb 1, 2025 Tecolote Canyon Natural Park, CA ![]() | |||||
| shrub Feb 1, 2025 Tecolote Canyon Natural Park, CA ![]() | |||||
| two fruit Feb 1, 2025 Tecolote Canyon Natural Park, CA ![]() | |||||
| two shrub Feb 1, 2025 Tecolote Canyon Natural Park, CA ![]() | |||||
| (Toyon Leafminer Moth) underside blotch on Toyon Feb 1, 2025 Tecolote Canyon Natural Park, CA ![]() | |||||
| (Toyon Leafminer Moth) upperside blotch on Toyon Feb 1, 2025 Tecolote Canyon Natural Park, CA ![]() | |||||
| |||||
| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| |||||
| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| photo Mar 22, 2012 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 16, 2014 Danada: Rice Lake ![]() | |||||
| (Cedar-Quince Rust) upperside spots on Crab Apple Jul 23, 2022 Naperville, IL ![]() | |||||
| (Pharaoh Periodical Cicada) female ovipositing on Crab Apple Jun 14, 2024 Arrowhead Park, Naperville ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| (Cedar-Hawthorn Rust) underside aecia on Prairie Crabapple Sep 6, 2022 Naperville, IL ![]() | |||||
| (Cedar-Hawthorn Rust) upperside spots on Prairie Crabapple Sep 6, 2022 Naperville, IL ![]() | |||||
| |||||
| photo May 19, 2013 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 2, 2015 Mayslake Forest Preserve ![]() | |||||
| |||||
| photo Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| photo Jun 14, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo Jun 18, 2015 Oakhurst Forest Preserve ![]() | |||||
| |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| |||||
| photo Jul 23, 2012 West Chicago Prairie ![]() | |||||
| fruit Aug 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| (Peach Leaf Curl) on Almond Mar 28, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| foliage Mar 28, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| leaves Mar 28, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| trunk Mar 28, 2023 Dan Jerusalem Hotel, Israel ![]() | |||||
| |||||
| blossoms Mar 16, 2024 Yangmingshan National Park, Taiwan ![]() | |||||
| branch Mar 16, 2024 Yangmingshan National Park, Taiwan ![]() | |||||
| |||||
| photo May 15, 2006 Naperville Riverwalk, IL ![]() | |||||
| photo May 19, 2006 Blackwell Forest Preserve, IL ![]() | |||||
| (Black Cherry Leaf Gall Mite) upperside galls on Black Cherry Aug 15, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Cherry Leaf Spot) underside on Black Cherry Sep 7, 2022 Danada Forest Preserve, IL ![]() | |||||
| (Cherry Leaf Spot) upperside on Black Cherry Sep 7, 2022 Danada Forest Preserve, IL ![]() | |||||
| |||||
| Sharon JJ Mar 24, 2016 National Mall, DC ![]() | |||||
| |||||
| fruit Oct 13, 2023 Nafpaktos, Greece ![]() | |||||
| |||||
| flowers Mar 31, 2012 COD Ecological Study Area ![]() | |||||
| (Cedar-Hawthorn Rust) underside aecia on Callery Pear Sep 20, 2022 Arrowhead Park, Naperville ![]() | |||||
| (Cedar-Hawthorn Rust) upperside spots on Callery Pear Sep 20, 2022 Arrowhead Park, Naperville ![]() | |||||
| |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo May 12, 2021 Frisco, Colorado ![]() | |||||
| |||||
| fruit Jul 11, 2005 Russell R. Kirt Prairie ![]() | |||||
| flower Jun 8, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| flower May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| colony May 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| photo May 31, 2013 Morton Arboretum, IL ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| |||||
| photo Oct 26, 2018 San Joaquin Wildlife Sanctuary ![]() | |||||
| |||||
| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Jun 22, 2009 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| fruit Jul 23, 2012 West Chicago Prairie ![]() | |||||
| fruit Sep 25, 2013 Lambert Lake, Glen Ellyn ![]() | |||||
| photo Jun 2, 2015 Mayslake Forest Preserve ![]() | |||||
| |||||
| photo Jun 15, 2009 Russell R. Kirt Prairie ![]() | |||||
| photo May 29, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo Jun 11, 2013 Danada Forest Preserve, IL ![]() | |||||
| photo Jun 3, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| flowers Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| inflorescence Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| peduncle Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| plant Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| stipule Jun 22, 2007 Blackwell Forest Preserve, IL ![]() | |||||
| photo Jun 25, 2007 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 27, 2009 Center for Green Technology ![]() | |||||
| stipules Jul 15, 2009 Danada Forest Preserve, IL ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| photo Jul 14, 2013 Lincoln Marsh Forest Preserve ![]() | |||||
| stipules Jul 14, 2013 Lincoln Marsh Forest Preserve ![]() | |||||
| |||||
| photo Sep 29, 2006 Schulenberg Prairie, IL ![]() | |||||
| photo May 22, 2007 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo Jun 17, 2009 COD Ecological Study Area ![]() | |||||
| fruit Jul 18, 2012 West Chicago Prairie ![]() | |||||
| photo May 29, 2013 Herrick Lake Forest Preserve, IL ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| photo Jun 3, 2015 Danada Forest Preserve, IL ![]() | |||||
| |||||
| fruit Jun 30, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo May 25, 2007 Russell R. Kirt Prairie ![]() | |||||
| photo May 24, 2008 Starved Rock State Park, IL ![]() | |||||
| fruit Jun 23, 2010 Russell R. Kirt Prairie ![]() | |||||
| fruit Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| fruit Jul 9, 2014 Burlington Park, Naperville ![]() | |||||
| (Vockerothi Leafminer Fly) blotch mine on Black Raspberry Aug 12, 2023 Hinsdale Prairie, IL ![]() | |||||
| |||||
| fruit Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| fruit Jul 7, 2010 Russell R. Kirt Prairie ![]() | |||||
| photo Apr 21, 2012 Blackwell Forest Preserve, IL ![]() | |||||
| |||||
| leaves Jan 30, 2025 Mission Trails Regional Park, CA ![]() | |||||
| |||||
| photo Jul 12, 2005 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Apr 26, 2006 Naperville Riverwalk, IL ![]() | |||||
| bud Apr 2, 2007 Naperville Riverwalk, IL ![]() | |||||
| fruit Apr 2, 2007 Naperville Riverwalk, IL ![]() | |||||
| leaves Jul 2, 2022 Naperville, IL ![]() | |||||
| trunk Jul 2, 2022 Naperville, IL ![]() | |||||
| (Oriental Grass Root Aphid) upperside galls on American Elm Jul 2, 2022 Naperville, IL Oriental Grass Root Aphid | |||||
| |||||
| photo Sep 18, 2013 Russell R. Kirt Prairie ![]() | |||||
| (Red-tailed Hawk) perching front on Siberian Elm Feb 2, 2017 Naperville, IL ![]() | |||||
| (Scissor Grinder) teneral molting from nymph on Siberian Elm Aug 15, 2022 Arrowhead Park, Naperville ![]() | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| photo Jul 22, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| |||||
| photo Jan 3, 2006 Colosseum, Rome ![]() | |||||
| |||||
| fruit Sep 23, 2025 Belgrade, Serbia ![]() | |||||
| leaves Sep 23, 2025 Belgrade, Serbia ![]() | |||||
| trunk Sep 23, 2025 Belgrade, Serbia ![]() | |||||
| leaves Sep 28, 2025 Sinaia, Romania ![]() | |||||
| trunk Sep 28, 2025 Sinaia, Romania ![]() | |||||
| (Horse-chestnut Leafminer Moth) upperside mine on Horse-Chestnut Sep 28, 2025 Sinaia, Romania ![]() | |||||
| |||||
| photo Aug 9, 2010 Dong Gang, Taiwan ![]() | |||||
| photo May 29, 2014 Molokai, Hawaii ![]() | |||||
| |||||
| (Oleander Aphid) on Mastic Oct 9, 2023 Thessaloniki, Greece ![]() | |||||
| |||||
| fruit Oct 18, 2023 Santorini, Greece ![]() | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| |||||
| fruit Jul 26, 2024 Torrey Pines State Natural Reserve, CA ![]() | |||||
| plant Jul 26, 2024 Torrey Pines State Natural Reserve, CA ![]() | |||||
| fruit Jan 30, 2025 Mission Trails Regional Park, CA Lemonade Berry | |||||
| |||||
| photo Oct 1, 2010 Russell R. Kirt Prairie ![]() | |||||
| (White-footed Mouse) female on Staghorn Sumac Nov 3, 2011 Russell R. Kirt Prairie White-footed mouse | |||||
| (Downy Woodpecker) male on Staghorn Sumac Mar 20, 2016 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Common Greenshield Lichen) on Staghorn Sumac May 17, 2023 Chicago Montrose Harbor ![]() | |||||
| (Physcia Rosette Lichen) on Staghorn Sumac May 17, 2023 Chicago Montrose Harbor ![]() | |||||
| (Teloschistaceae Sunburst Lichen) on Staghorn Sumac May 17, 2023 Chicago Montrose Harbor ![]() | |||||
| (Powdery Sunburst Lichen) on Staghorn Sumac May 17, 2023 Chicago Montrose Harbor ![]() | |||||
| branch May 17, 2023 Chicago Montrose Harbor ![]() | |||||
| |||||
| photo Jul 14, 2013 Lincoln Marsh Forest Preserve ![]() | |||||
| |||||
| photo Jul 22, 2006 Waterfall Glen Forest Preserve ![]() | |||||
| photo May 28, 2011 St. James Farm, Winfield ![]() | |||||
| photo Jun 18, 2012 Schulenberg Prairie, IL ![]() | |||||
| photo Jul 9, 2012 Danada Forest Preserve, IL ![]() | |||||
| photo May 7, 2013 Danada Forest Preserve, IL ![]() | |||||
| flowers Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| (Poison Ivy Leaf Mite) leaf galls on Poison Ivy Jun 27, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Poison Ivy Leaf Mite) upperside galls on Poison Ivy Jun 27, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| photo Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| |||||
| (Cochineal Scale Bug) on Citrus Oct 8, 2023 Thessaloniki, Greece ![]() | |||||
| |||||
| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
| (Two-marked Treehopper) egg plugs on Wafer Ash Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Wafer Ash Leafminer Moth) upperside mine on Wafer Ash Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Wafer Ash Leafminer Moth) backlit mine on Wafer Ash Sep 10, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Wafer Ash Leafminer Moth) upperside mine on Wafer Ash Sep 10, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
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| photo Aug 29, 2007 Willowbrook Wildlife Center, IL ![]() | |||||
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| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| (Poison Ivy) on Box Elder Apr 19, 2006 Willowbrook Wildlife Center, IL ![]() | |||||
| catkins Apr 26, 2006 Naperville Riverwalk, IL ![]() | |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| catkins Apr 2, 2007 Naperville Riverwalk, IL ![]() | |||||
| (Contarinia Gall Midge) open gall on Box Elder Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Contarinia Gall Midge) upperside gall on Box Elder Aug 13, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Contarinia Gall Midge) underside gall on Box Elder Oct 10, 2022 Arrowhead Park, Naperville | |||||
| (Contarinia Gall Midge) upperside gall on Box Elder Oct 10, 2022 Arrowhead Park, Naperville | |||||
| (Contarinia Gall Midge) upperside open gall on Box Elder Oct 10, 2022 Arrowhead Park, Naperville | |||||
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| photo Jun 7, 2011 COD Westmont Center ![]() | |||||
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| photo Apr 24, 2006 Naperville Riverwalk, IL ![]() | |||||
| female flowers Apr 26, 2006 Naperville Riverwalk, IL ![]() | |||||
| fruit Apr 26, 2006 Naperville Riverwalk, IL ![]() | |||||
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| photo Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| flowers Apr 9, 2008 Naperville Riverwalk, IL ![]() | |||||
| (Maple Bladdergall Mite) upperside gall on Red Maple Jul 20, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
| (Candleflame Lichen) on Red Maple Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| fruit Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
| trunk Feb 22, 2025 Split Rock Conservation Area, FL ![]() | |||||
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| photo Apr 24, 2006 Naperville Riverwalk, IL ![]() | |||||
| catkins fruiting Mar 31, 2007 Joliet Pilcher Park ![]() | |||||
| photo Jun 12, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Maple Bladdergall Mite) upperside galls on Silver Maple Jul 6, 2022 Arrowhead Park, Naperville | |||||
| (American Tar Spot) on Silver Maple Sep 6, 2022 Naperville, IL ![]() | |||||
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| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| catkins Apr 26, 2006 Naperville Riverwalk, IL ![]() | |||||
| (Northern Dog-day Cicada) male molting from nymph on Sugar Maple Aug 28, 2022 Naperville, IL ![]() | |||||
| (Eutypella Canker) canker on Sugar Maple May 4, 2023 Morton Arboretum, IL ![]() | |||||
| (Maple Leafcutter Moth) backlit mine on Sugar Maple Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| leaves Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| trunk Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| (Maple Leafcutter Moth) underside mine on Sugar Maple Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
| (Maple Leafcutter Moth) upperside mine on Sugar Maple Sep 16, 2024 Morton Arboretum, IL ![]() | |||||
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| flowers May 5, 2007 Herrick Lake Forest Preserve, IL ![]() | |||||
| flower May 28, 2008 Russell R. Kirt Prairie ![]() | |||||
| fruit Sep 7, 2011 Russell R. Kirt Prairie ![]() | |||||
| bud Mar 31, 2012 Russell R. Kirt Prairie ![]() | |||||
| flowers May 4, 2012 Russell R. Kirt Prairie ![]() | |||||
| (Buckeye Leafminer Fly) backlit mine on Ohio Buckeye Aug 24, 2022 Naperville, IL ![]() | |||||
| (Buckeye Leafminer Fly) upperside mine on Ohio Buckeye Aug 24, 2022 Naperville, IL ![]() | |||||
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| photo Sep 27, 2018 COD Ecological Study Area ![]() | |||||
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| photo Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
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| branch Nov 27, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| fruit Nov 27, 2022 E Williams Field Rd, Mesa AZ Emory's Crucifixion-Thorn | |||||
| fruit Nov 28, 2022 E Williams Field Rd, Mesa AZ Emory's Crucifixion-Thorn | |||||
| thorns Nov 28, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| tree Nov 28, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| male Dec 25, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| |||||
| (Graphidaceae Script Lichen) on Formosan Sweetgum Mar 13, 2024 Zhongshan Park, Taiwan ![]() | |||||
| leaves Mar 13, 2024 Zhongshan Park, Taiwan ![]() | |||||
| trunk Mar 13, 2024 Zhongshan Park, Taiwan ![]() | |||||
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| photo Apr 26, 2006 Naperville Riverwalk, IL ![]() | |||||
| fruit Sep 23, 2025 Belgrade, Serbia ![]() | |||||
| trunk Sep 23, 2025 Belgrade, Serbia ![]() | |||||
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| saplings Feb 12, 2024 Black's Beach, CA ![]() | |||||
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| photo Mar 17, 2012 Center for Green Technology ![]() | |||||
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| capsules Dec 13, 2011 COD Main Campus ![]() | |||||
| flower Dec 13, 2011 COD Main Campus ![]() | |||||
| |||||
| photo Jun 14, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo May 7, 2012 COD Greenhouse ![]() | |||||
| buds May 8, 2012 COD Greenhouse ![]() | |||||
| photo Jun 26, 2012 Pat's Yard ![]() | |||||
| photo Jul 2, 2012 Russell R. Kirt Prairie ![]() | |||||
| photo May 26, 2013 Russell R. Kirt Prairie ![]() | |||||
| |||||
| photo Jun 15, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 29, 2005 Russell R. Kirt Prairie ![]() | |||||
| fruit Jul 19, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 8, 2013 Goose Lake Prairie ![]() | |||||
| (Pure Green-Sweat Bee) on Hedge Bindweed Jul 31, 2013 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 24, 2014 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Argus Tortoise Beetle) red on Hedge Bindweed Jul 5, 2015 Herrick Lake Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 14, 2005 Russell R. Kirt Prairie ![]() | |||||
| photo Aug 7, 2006 COD Naperville Campus ![]() | |||||
| photo Jun 11, 2013 Danada Forest Preserve, IL ![]() | |||||
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| vine Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
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| photo Jun 16, 2007 Wolf Road Prairie ![]() | |||||
| photo Jul 11, 2007 Bluff Spring Fen, Elgin ![]() | |||||
| flowers Jul 29, 2007 Bluff Spring Fen, Elgin ![]() | |||||
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| photo Aug 13, 2005 Hilton Head Island ![]() | |||||
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| photo Jun 2, 2014 Kauai, Hawaii ![]() | |||||
| leaves Mar 20, 2024 Penghu, Taiwan ![]() | |||||
| plant Mar 20, 2024 Penghu, Taiwan ![]() | |||||
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| (European Honey Bee) on Angel's Trumpet Jul 16, 2015 Lima, Peru ![]() | |||||
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| plant Dec 25, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| twigs Dec 25, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
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| leaves Jul 23, 2024 San Diego, CA ![]() | |||||
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| flower Sep 10, 2022 McDowell Grove Forest Preserve, IL ![]() | |||||
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| photo Sep 20, 2005 Russell R. Kirt Prairie ![]() | |||||
| fruit Oct 25, 2006 Russell R. Kirt Prairie ![]() | |||||
| photo Sep 17, 2011 COD Seed Collection ![]() | |||||
| photo Jul 30, 2012 Willowbrook Wildlife Center, IL ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| photo Sep 13, 2014 COD Seed Collection ![]() | |||||
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| photo Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| photo Jun 26, 2015 Sugarland Run, VA ![]() | |||||
| |||||
| photo Oct 12, 2006 Volo Bog State Natural Area ![]() | |||||
| fruit Sep 13, 2011 Russell R. Kirt Prairie ![]() | |||||
| photo Jun 21, 2012 Volo Bog State Natural Area ![]() | |||||
| |||||
| (Poison Ivy) on Virginia Creeper Oct 11, 2004 Naperville Riverwalk, IL ![]() | |||||
| photo Sep 23, 2012 Danada Forest Preserve, IL ![]() | |||||
| |||||
| photo Jun 29, 2005 COD Ecological Study Area ![]() | |||||
| flowers May 16, 2007 Lake Renwick ![]() | |||||
| fruit Aug 24, 2013 Wild Ones Field Trip ![]() | |||||
| (Grape Phylloxera) underside gall on Riverbank Grape Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Grape Phylloxera) underside galls on Riverbank Grape Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Grape Phylloxera) upperside gall on Riverbank Grape Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Grape Phylloxera) upperside galls on Riverbank Grape Jul 19, 2022 Herrick Lake Forest Preserve, IL ![]() | |||||
| (Grape Leafminer Moth) backlit mine on Riverbank Grape Sep 3, 2022 Danada Forest Preserve, IL ![]() | |||||
| (Grape Leafminer Moth) upperside mine on Riverbank Grape Sep 3, 2022 Danada Forest Preserve, IL ![]() | |||||
| (Aspilanta Leafminer Moth) underside mine on Riverbank Grape Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Aspilanta Leafminer Moth) upperside backlit caterpillar mine on Riverbank Grape Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| (Aspilanta Leafminer Moth) upperside mine on Riverbank Grape Sep 28, 2022 Russell R. Kirt Prairie ![]() | |||||
| |||||
| leaves Nov 16, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| shrub Nov 16, 2022 E Williams Field Rd, Mesa AZ ![]() | |||||
| (Northern Mockingbird) perching on Creosote Bush Feb 20, 2023 E Williams Field Rd, Mesa AZ ![]() | |||||
| branch Feb 8, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| (Large Creosote Gall Midge) open gall on Creosote Bush Feb 8, 2026 Riparian Preserve at Water Ranch ![]() | |||||
| (Large Creosote Gall Midge) round gall on Creosote Bush Feb 8, 2026 Riparian Preserve at Water Ranch ![]() | |||||
Other Fauna |
Photos mostly from Chicagoland & Phoenixland. ![]() |
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