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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.

Lateral view of a Onocosmoecus (Limnephilidae) (Great Late-Summer Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen keys pretty easily to Onocosmoecus, and it closely resembles a specimen from Alaska which caddis expert Dave Ruiter recognized as this genus. As with that specimen, the only species in the genus documented in this area is Onocosmoecus unicolor, but Dave suggested for that specimen that there might be multiple not-yet-distinguished species under the unicolor umbrella and it would be best to stick with the genus-level ID. I'm doing the same for this one.
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.

Revenge on the Gibbon

Revenge on the Gibbon

By Troutnut on June 28th, 2019
On June 29th, we hiked ten miles out from our Slough Creek backcountry campsite in the morning and enjoyed a good burger in downtown Gardiner. After picking up the camper trailer from its hiding spot in the hills above, we headed to camp for the next night in the town of West Yellowstone, near the headwaters of the Madison just outside the park.

Along the way we stopped at the Gibbon to fish a reach where I got skunked in the most frustrating manner last year. In that episode, the fish were rising and I had the right flies to draw eager strikes. On the first strike, my hook caught the bony part of a big fish's mouth and bent out without me realizing it. Several subsequent strikes failed because I was unknowingly fishing with a badly bent hook.

This time, I went back to the same area determined to exact revenge on the fish that made a fool of me last year. The big fish weren't rising at first, but I ran a soft-hackle through a really promising pool and caught a fairly large brown in the first few minutes. I missed another. After that, my friend and I both caught several smaller browns and cutts, especially toward dusk when caddisflies were active and the small fish were vigorously chasing them around. Some larger fish rose occasionally, but they were either feeding too sporadically or spooked by inadequate presentations in difficult spots. I don't mind being beaten by a fish that way, when I didn't do anything especially dumb and the fish was just too wily. I had already made up for last year.

Photos by Troutnut from the Gibbon River and the Lamar River in Wyoming

The Gibbon River in Wyoming
The Gibbon River in Wyoming
Gibbon River with Norris Geyser Basin in the distance

From the Gibbon River in Wyoming
The Gibbon River in Wyoming
The Gibbon River in Wyoming
Two bison cooling off in the Lamar River

From the Lamar River in Wyoming
This little brown trout was released in the shallows but really wanted a picture so it jumped back onto dry land and posed like this. Then I insisted it go back in the water.
Two elk watching us fish from across the Gibbon meadows

From the Gibbon River in Wyoming

Closeup insects by Troutnut from the Madison River in Montana

Lateral view of a Male Leptoceridae Caddisfly Adult from the Madison River in Montana

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