Salmonflies
Pteronarcys californica
The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
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This dun emerged from a mature nymph on my desk. Unfortunately its wings didn't perfectly dry out.
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Gray Quills
This common name refers to only one species. Click its scientific name to learn more.
Mayfly Species Neoleptophlebia mollis
These are very rarely called Gray Quills.
This species often emerges together with Paraleptophlebia strigula and Paraleptophlebia guttata, and the combined effect can be a good fishable hatch. The latter two are much less famous than mollis, but Knopp and Cormier say they are more reliable.
References
- Knopp, Malcolm and Robert Cormier. 1997. Mayflies: An Angler's Study of Trout Water Ephemeroptera . The Lyons Press.