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 |
---|---|
Three tails (i.e., terminal filament subequal to cerci) | Two main tails (i.e., terminal filament vestigial or clearly shorter than cerci) |
Forewings, and sometimes hind wings, prominently mottled with dark markings | Forewings and hingwings not prominently mottled, but may be shaded along margins |
Crossveins of forewings near bullae crowded together (source fig 13.168a) | Crossveins of forewings near bullae not crowded together |
Remaining genera: Hexagenia and Litobrancha | |
5 Example Specimens | 5 Example Specimens |
Ephemera | Go to Couplet 2 |