The adult appears different in flight from other caddisflies because the top set of wings is attached to the bottom by a row of hooks, so the four wings beat together, not as two spread-out sets.
In 137 records from GBIF, adults of this species have mostly been collected during June (23%), July (21%), August (19%), May (12%), September (9%), and April (8%).
In 92 records from GBIF, this species has been collected at elevations ranging from 195 to 10194 ft, with an average (median) of 3509 ft.
Time of day: Evening
During egg laying, the females float in the surface close to the banks, crawl underwater, and flop on the surface to oviposit. They then ride the water serenely in the normal resting position, and trout take them with gentle rises.
Diet: Algae, detritus, animal matter
Environmental tolerance: Very tolerant: can thrive in both cold water and hot springs up to 110°F
Shelter type: Coiled sand case shaped like a snail shell