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 4 records from GBIF, adults of this genus have been collected during July (50%), May (25%), and June (25%).
In 1 record from GBIF, this genus has been collected at elevation of 4948 ft.