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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 Skwala (Perlodidae) (Large Springfly) Stonefly Nymph from the Yakima River in Washington
This Skwala nymph still has a couple months left to go before hatching, but it's still a good representative of its species, which was extremely abundant in my sample for a stonefly of this size. It's obvious why the Yakima is known for its Skwala hatch.
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 Baetis tricaudatus (Blue-Winged Olive) Mayfly Dun Pictures

This one emerged from a nymph of this kind in my studio but got a bit waterlogged before I could pull it out to photograph.

Ruler view of a Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from the Yakima River in Washington The smallest ruler marks are 1 mm.
Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from the Yakima River in Washington
Dorsal view of a Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from the Yakima River in Washington
Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from the Yakima River in Washington
Lateral view of a Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from the Yakima River in Washington
Ventral view of a Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from the Yakima River in Washington

This mayfly was collected from the Yakima River in Washington on September 12th, 2020 and added to Troutnut.com by Troutnut on September 19th, 2020.


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Female Baetis tricaudatus (Blue-Winged Olive) Mayfly Dun Pictures

Collection details
Location: Yakima River, Washington
Date: September 12th, 2020
Added to site: September 19th, 2020
Author: Troutnut
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