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.
Stream photos
In 20 records from GBIF, adults of this genus have mostly been collected during August (35%), July (25%), and June (25%).
In 43 records from GBIF, this genus has been collected at elevations ranging from 69 to 7005 ft, with an average (median) of 1919 ft.