The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Option 1 | Option 2 |
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Gill remnants conspicuous on thoracic sterna between coxae and on first 2 or 3 abdominal sterna (sf 16.193) | Thoracic gill remnants, if present, restricted to area behind coxae (sf 16.195) and absent from basal abdominal sterna |
Forewing anal region with two or more rows of crossveins (sf 16.194) | Forewing anal region with, at most, one row of crossveins |
Remaining families: Chloroperlidae, Perlidae, and Perlodidae | |
5 Example Specimens | 5 Example Specimens |
Pteronarcyidae | Go to Couplet 7 |