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|
|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|