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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 Heptagenia culacantha Mayfly Dun Pictures

Hyun Kounne generously provided photos of the striking, hard-to-find Heptagenia culacantha from the mainstem Delaware River. She mentioned it was one of maybe half a dozen she saw on the water that day.

This mayfly was collected from the Delaware River in New York on June 3rd, 2017 and added to Troutnut.com by Troutnut on December 5th, 2019.

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