The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stream photos
In 109 records from GBIF, adults of this family have mostly been collected during June (40%), May (28%), July (20%), and April (7%).
In 61 records from GBIF, this family has been collected at elevations ranging from 3 to 5548 ft, with an average (median) of 1749 ft.