The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stream photos
In 130 records from GBIF, adults of this genus have mostly been collected during June (33%), July (28%), August (20%), and May (12%).
In 14 records from GBIF, this genus has been collected at elevations ranging from 59 to 12631 ft, with an average (median) of 512 ft.