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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Larvae have short, marginal, hairlike setae on the heads, legs, and tergites | Marginal setae not well developed on the heads, legs, and tergites |
No long setae protruding dorsally from tergites 8 and 9 | Long setae protrude dorsally from the anterior margins of tergites 8 and 9 |
Relatively many denticles on tarsal claws, and positioned along the length of the claw | Relatively few denticles on tarsal claws, positioned basally |
Remaining species: Drunella tuberculata and Drunella walkeri | |
Drunella allegheniensis | Go to Couplet 9 |