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.
Preferred waters: Small streams
In 11 records from GBIF, adults of this genus have been collected during May (55%), June (27%), and July (18%).
In 5 records from GBIF, this genus has been collected at elevations ranging from 1152 to 5764 ft, with an average (median) of 1752 ft.