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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.

Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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.

Creno
Grants Pass, OR

Posts: 302
Creno on Aug 5, 2019August 5th, 2019, 3:37 pm EDT
Just getting back to the PC and a good look at your above pics. I don't think this is Gumaga. From what I can see it lacks the divided mesonotum and the metanotal sclerites are the wrong shape/size for Gumaga. The fact that you couldn't see the antennae makes me think they are right next to the eye. The rest of the characters also suggest this is one of the Lepidostoma and the case suggests pluviale group, which are very common in that part of the world.
Troutnut
Troutnut's profile picture
Administrator
Bellevue, WA

Posts: 2758
Troutnut on Aug 6, 2019August 6th, 2019, 4:10 am EDT
Thanks Dave. I'll move it there.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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