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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 Glossosoma (Glossosomatidae) (Little Brown Short-horned Sedge) Caddisfly Larva from the Yakima River in Washington
I caught this tiny larva without a case, but it seems to key pretty clearly to to Glossosomatidae. From there, the lack of sclerites on the mesonotum points to either Glossosoma or Anagapetus. Although it's difficult to see in a 2D image from the microscope, it's pretty clear in the live 3D view that the pronotum is only excised about 1/3 of its length to accommodate the forecoxa, not 2/3, which points to Glossosoma at Couplet 5 of the Key to Genera of Glossosomatidae Larvae.
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.

By Troutnut on August 3rd, 2019
I talked my wife into a quick trip to one of our home rivers on August 4th. It was the lowest I've ever fished it (around 235 CFS downstream at the gage, far less up by us), and that made for some easy wading. Some of the pools were practically still-water fishing. However, we hit a particularly good one at dusk where we caught dozens of fish without even having to move our feet. The big ones of the night were 7-8", but it's still fun.

Photos by Troutnut from the Middle Fork Snoqualmie River in Washington

The Middle Fork Snoqualmie River in Washington

Closeup insects by Troutnut from the Middle Fork Snoqualmie River in Washington

Lateral view of a Male Paraleptophlebia sculleni (Leptophlebiidae) Mayfly Spinner from the Middle Fork Snoqualmie River in Washington
For a species not yet reported in my state, I've been surprised to find these in two different locations lately. I was tempted to think they're the more common Paraleptophlebia debilis, but the characteristic big dorsal bump on the claspers just isn't present.

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