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 2585 records from GBIF, adults of this family have mostly been collected during June (28%), July (28%), August (19%), May (12%), and September (6%).
In 1053 records from GBIF, this family has been collected at elevations ranging from -30 to 12631 ft, with an average (median) of 1701 ft.
Diet: Wide variety, depending on species: may be insects, sponges, detritus.
Shelter type: Cases of various debris, or just silk