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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

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

Dorsal view of a Limnephilidae (Giant Sedges) Caddisfly Larva from the Yakima River in Washington
This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Male Drunella coloradensis (Small Western Green Drake) Mayfly Spinner Pictures

This spinner molted from this dun, or possibly one other dun I had in the same container that looked just like it.

Lateral view of a Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington
Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington
Dorsal view of a Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington
Ruler view of a Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington The smallest ruler marks are 1 mm.
Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington
Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington
Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington
Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington
Ventral view of a Male Drunella coloradensis (Ephemerellidae) (Small Western Green Drake) Mayfly Spinner from Mystery Creek #199 in Washington

This mayfly was collected from Mystery Creek #199 in Washington on July 28th, 2019 and added to Troutnut.com by Troutnut on July 30th, 2019.


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Male Drunella coloradensis (Small Western Green Drake) Mayfly Spinner Pictures

Collection details
Location: Mystery Creek #199, Washington
Date: July 28th, 2019
Added to site: July 30th, 2019
Author: Troutnut
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