The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stream photos
In 361 records from GBIF, adults of this family have mostly been collected during July (34%), June (33%), August (20%), and May (7%).
In 354 records from GBIF, this family has been collected at elevations ranging from -30 to 10600 ft, with an average (median) of 728 ft.