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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 Clostoeca disjuncta (Limnephilidae) (Northern Caddisfly) Caddisfly Larva from the Yakima River in Washington
This one was surprisingly straightforward to identify. The lack of a sclerite at the base of the lateral hump narrows the field quite a bit, and the other options followed fairly obvious characteristics to Clostoeca, which only has one species, Clostoeca disjuncta.
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.

Dorsal view of a Hexagenia limbata (Ephemeridae) (Hex) Mayfly Nymph from the Marengo River in Wisconsin
Beardius
Posts: 19
Beardius on Aug 1, 2008August 1st, 2008, 6:45 am EDT
This looks to be either Hexagenia or Litobrancha based upon the frontal process being rounded and not forked. Probably is Hexagenia based upon where it was collected and Hexagenia being so widespread and common, but I cannot tell from the photo if the gill on the first abdominal segment is forked or single from these photos.
Troutnut
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Bellevue, WA

Posts: 2758
Troutnut on Aug 1, 2008August 1st, 2008, 10:26 pm EDT
You're right. I can't see how I would possibly have misidentified this one, so I must have just absent-mindedly clicked it into the wrong category when I added it to the site.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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