The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stream photos
In 91 records from GBIF, adults of this genus have mostly been collected during May (27%), July (26%), April (20%), June (20%), and August (5%).
In 16 records from GBIF, this genus has been collected at elevations ranging from 10 to 10499 ft, with an average (median) of 2133 ft.