The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
In 189 records from GBIF, adults of this genus have mostly been collected during June (25%), May (19%), July (18%), April (15%), August (12%), and September (6%).
In 140 records from GBIF, this genus has been collected at elevations ranging from 3 to 19029 ft, with an average (median) of 5659 ft.
Diet: Algae, plankton
Shelter type: Tapered wood cases of rectangular cross-section