Allonarcys Larva

Giant Stonefly Creeper
Allonarcys, Family Pteronarcydae

It resembles the largest of all stoneflies, the eastern Pteronarcys dorsata, but the lateral hooks along the abdomen of this nymph identify it as a different but still common genus, Allonarcys, probably biloba.
Photograph ©1999 Thomas Ames Jr.