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 111 records from GBIF, adults of this genus have mostly been collected during June (27%), August (25%), July (24%), May (14%), and September (7%).
In 35 records from GBIF, this genus has been collected at elevations ranging from 3 to 3873 ft, with an average (median) of 1181 ft.
Time of day: Dusk
Shelter type: Long, thin cases made of various debris. The case may be three times as long as the actual insect.