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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
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.

Landscape & scenery photos from Green Lake Outlet

Green Lake Outlet in Idaho
Green Lake Outlet in Idaho
Green Lake Outlet in Idaho

Closeup insects by Troutnut from Green Lake Outlet in Idaho

Ameletus (Brown Dun) Mayfly Nymph
Dorsal view of a Ameletus (Ameletidae) (Brown Dun) Mayfly Nymph from Green Lake Outlet in Idaho
Baetis bicaudatus (BWO) Mayfly Nymph
The J-shaped light mark on the first femur and L-shaped marks on the next two are telltale signs of Baetis bicaudatus according to the original species description.

Dorsal view of a Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from Green Lake Outlet in Idaho
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