Plecoptera (Stoneflies)
- Insect numphs with 3 pairs of jointed legs, each with paired claws.
- 2 pairs of wingpads (devloping wings) present on thorax.
- 2 cerci (tails) on end of abdomen.
- No gills along abdomen (may have gills at end of abdomen).
Length: 5 mm to 35 mm
Peter Chen.