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Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Male Ephemerella excrucians (Pale Morning Dun) Mayfly Nymph Pictures

I used the ID of this nymph (and some others like it) to infer the identity of a female dun collected on the same trip.

This mayfly was collected from Mystery Creek #249 in Washington on July 4th, 2020 and added to Troutnut.com by Troutnut on July 12th, 2020.

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