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 : June through fall
Preferred waters: Small streams
In 53 records from GBIF, adults of this species have mostly been collected during May (53%), April (21%), and June (21%).
In 13 records from GBIF, this species has been collected at elevations ranging from 627 to 2740 ft, with an average (median) of 2008 ft.