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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 Neoleptophlebia heteronea (Blue Quill) Mayfly Spinner Pictures

I keyed this one out to species on the microscope because it was too small for the genitalia to show the distinguishing characteristics in the images here.

This mayfly was collected from the Madison River in Montana on July 1st, 2019 and added to Troutnut.com by Troutnut on July 18th, 2019.

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