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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.

Male Glossosoma alascense (Saddle-case Maker) Caddisfly Adult Pictures

I lost track of this specimen before I could get it under my microscope, but caddis expert Dave Ruiter was able to identify it from pictures as Glossosoma, with an uncertain suggestion of G. alascense as the most likely species.

Male Glossosoma alascense (Glossosomatidae) (Saddle-case Maker) Caddisfly Adult from Rock Creek in Montana
Male Glossosoma alascense (Glossosomatidae) (Saddle-case Maker) Caddisfly Adult from Rock Creek in Montana
Lateral view of a Male Glossosoma alascense (Glossosomatidae) (Saddle-case Maker) Caddisfly Adult from Rock Creek in Montana
Male Glossosoma alascense (Glossosomatidae) (Saddle-case Maker) Caddisfly Adult from Rock Creek in Montana
Male Glossosoma alascense (Glossosomatidae) (Saddle-case Maker) Caddisfly Adult from Rock Creek in Montana
Ventral view of a Male Glossosoma alascense (Glossosomatidae) (Saddle-case Maker) Caddisfly Adult from Rock Creek in Montana
Male Glossosoma alascense (Glossosomatidae) (Saddle-case Maker) Caddisfly Adult from Rock Creek in Montana
Ruler view of a Male Glossosoma alascense (Glossosomatidae) (Saddle-case Maker) Caddisfly Adult from Rock Creek in Montana The smallest ruler marks are 1 mm.

This caddisfly was collected from Rock Creek in Montana on July 9th, 2019 and added to Troutnut.com by Troutnut on July 18th, 2019.


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Male Glossosoma alascense (Saddle-case Maker) Caddisfly Adult Pictures

Collection details
Location: Rock Creek, Montana
Date: July 9th, 2019
Added to site: July 18th, 2019
Author: Troutnut
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