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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.

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.

Female Baetidae (Blue-Winged Olive) Mayfly Dun Pictures

Lateral view of a Female Baetidae (Blue-Winged Olive) Mayfly Dun from the North Fork Stillaguamish River in Washington
Female Baetidae (Blue-Winged Olive) Mayfly Dun from the North Fork Stillaguamish River in Washington
Each ruler mark is 1/16 inch

Female Baetidae (Blue-Winged Olive) Mayfly Dun from the North Fork Stillaguamish River in Washington
Female Baetidae (Blue-Winged Olive) Mayfly Dun from the North Fork Stillaguamish River in Washington
Female Baetidae (Blue-Winged Olive) Mayfly Dun from the North Fork Stillaguamish River in Washington

This mayfly was collected from the North Fork Stillaguamish River in Washington on July 11th, 2017 and added to Troutnut.com by Troutnut on July 12th, 2017.

Discussions of this Dun

Id?
Posted by Taxon on Jul 12, 2017
Last reply on Jul 12, 2017 by Taxon
Hi Jason-

Diphetor hageni female subimago would be my guess. What do you think?

Start a Discussion of Dun

Female Baetidae (Blue-Winged Olive) Mayfly Dun Pictures

Collection details
Location: North Fork Stillaguamish River, Washington
Date: July 11th, 2017
Added to site: July 12th, 2017
Author: Troutnut
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