The adult female salmon flies would fly back to the river, deposit their eggs, and die as they floated downstream. Salmon flies get their name from the color of their body. It is salmon colored. Stone Fly drawing from Presentation by Gary A. Borger Drawings by Jason Borger Published by Tomarrow River Press Stone flies, a relatively small group of insects, is the most colorful of all the trout food. Other stones vary in color from the salmon pink to tan and dark brown.
Stone flies have four wings, which are heavily veined.
The wings lie flat over the back, except when they fly. Auto accidents have been caused on blacktop highways caused by misguided Stone Flies. They mistake the blacktop for water and land in such numbers as to make the road slippery. It s easy for the angler to predict Stone Fly action. The insects mostly crawl out of the water and hatch on land.