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
Time of year : Summer
In 405 records from GBIF, adults of this genus have mostly been collected during July (33%), June (28%), August (19%), May (8%), and September (6%).
In 116 records from GBIF, this genus has been collected at elevations ranging from 26 to 10177 ft, with an average (median) of 1181 ft.
Time of day : Usually evening
Current speed: Still or slow
Substrate: Vegetation