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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> > The Middle Fork Snoqualmie River
Landscape & scenery photos from the Middle Fork Snoqualmie River
On-stream insect photos from the Middle Fork Snoqualmie River
Closeup insects by Troutnut from the Middle Fork Snoqualmie River in Washington
For a species not yet reported in my state, I've been surprised to find these in two different locations lately. I was tempted to think they're the more common Paraleptophlebia debilis, but the characteristic big dorsal bump on the claspers just isn't present.