The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stream photos
In 95 records from GBIF, adults of this family have mostly been collected during June (49%), May (24%), and July (13%).
In 75 records from GBIF, this family has been collected at elevations ranging from 20 to 8301 ft, with an average (median) of 2621 ft.