The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stream photos
In 246 records from GBIF, adults of this genus have mostly been collected during June (35%), July (32%), August (21%), and May (7%).
In 67 records from GBIF, this genus has been collected at elevations ranging from 3 to 6332 ft, with an average (median) of 2362 ft.