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 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