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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Abdomen without paired dorsal tubercles, but may have paired ridges | Abdomen with paired dorsal tubercles, always well-developed on segments 5-7 |
Head smooth, without paired occipital tubercles (pictured yellow box) | Head roughened, with paired occipital tubercles, or with small to large paired occipital tubercles |
Remaining species: Drunella cornuta, Drunella cornutella, Drunella lata, and Drunella longicornis | Remaining species: Drunella allegheniensis, Drunella tuberculata, and Drunella walkeri |
3 Example Specimens | |
Go to Couplet 8 | Go to Couplet 10 |