The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stream photos
In 11 records from GBIF, adults of this genus have been collected during April (27%), May (27%), June (27%), March (9%), and July (9%).
In 4 records from GBIF, this genus has been collected at elevations of 2001, 3501, 3501, and 3658 ft.