Coleoptera: Gyrinidae (Whirligig Beetles)
- Long, slender, pale-colored larvae with 3 pairs of segmented legs, and long, lateral, unsegmented filaments on abdominal
segments.
- End of abdomen bears 2 pairs of sickle-shaped hooks.
Length: 10 mm to 30 mm
Adults:
- Shiny, black, oval-shaped beetles with the abdomen projecting beyond the elytra (wing covers).
- Eyes divided so that they appear to have 2 pairs of eyes, one looking up and one looking down.
Length: 10 mm to 30 mm