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.
Time of year : Late September through February, peaking in November or December
In 73 records from GBIF, adults of this genus have mostly been collected during October (30%), November (21%), September (14%), August (10%), July (8%), June (7%), and May (5%).
In 4 records from GBIF, this genus has been collected at elevations of 164, 299, 1100, and 3609 ft.
Diet: Decaying plant matter
Environmental tolerance: Prefers cold water