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 September; best in June and July
Preferred waters: Rivers and lakes or still backwaters
In 50 records from GBIF, adults of this species have mostly been collected during July (48%), June (22%), August (18%), and September (6%).
In 46 records from GBIF, this species has been collected at elevations ranging from 1690 to 19701 ft, with an average (median) of 6493 ft.
Shelter type: Round sand cases