The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stream photos
In 36 records from GBIF, adults of this genus have mostly been collected during June (67%) and July (31%).
In 128 records from GBIF, this genus has been collected at elevations ranging from -30 to 2756 ft, with an average (median) of 892 ft.