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Helicopsyche borealis (Speckled Peter) Caddisfly Adult Pictures

 This one keys pretty easily to the Helicopsychidae family, of which there is only one genus in North America, and one species reported in this general area.

This caddisfly was collected from the Henry's Fork of the Snake River on July 31st, 2020 and added to Troutnut.com on August 17th, 2020.

The large warts on the back of the head, between the eyes, are partly diagnostic of this family.  Helicopsyche borealis (Speckled Peter) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho
The large warts on the back of the head, between the eyes, are partly diagnostic of this family.
Ventral view of the terminalia.  Helicopsyche borealis (Speckled Peter) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho
Ventral view of the terminalia.

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