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.

This is one of the many shallow, unnamed lakes in the Arctic coastal plain near the Dalton Highway.

From Dalton Highway in Alaska

Stream photos

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Setvena wahkeena (Wahkeena Springfly) Stonefly Nymph Setvena wahkeena (Wahkeena Springfly) Stonefly Nymph

Dorsal view of a Setvena wahkeena (Perlodidae) (Wahkeena Springfly) Stonefly Nymph from Mystery Creek #199 in Washington

As far as I can tell, this species has only previously been reported from one site in Oregon along the Columbia gorge. However, the key characteristics are fairly unmistakable in all except for one minor detail:
— 4 small yellow spots on frons visible in photos
— Narrow occipital spinule row curves forward (but doesn’t quite meet on stem of ecdysial suture, as it's supposed to in this species)
— Short spinules on anterior margin of front legs
— Short rposterior row of blunt spinules on abdominal tergae, rather than elongated spinules dorsally
I caught several of these mature nymphs in the fishless, tiny headwaters of a creek high in the Wenatchee Mountains.

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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.

Remarkably, that looks like some little trout streams around here...

This discussion is about Swamp Creek.

Habitat of Cinygma nymphs collected this date. Nymphs were mature along with two Ameletus species and Drunella spinifera and some caddisflies.

From Swamp Creek in Oregon

Jmd123

Oscoda, MI

Posts: 2474

Jmd123 on Jul 15, 2011July 15th, 2011, 3:08 pm EDT

Ah yes, Oregon! I lived there (Coos Bay area) back in '92-'93, and actually did aquatic entomology there (though not to the species level - I had a LOT of streams to cover in a few month period). Yet I look at this photo and it sure reminds me of some of the little streams around my new home in northern lower Michigan...brookie waters! Out there...cutthroats? The little creeks I sampled at the South Slough National Estuarine Research Reserve held many sea-run cutt and coho parr...oh, the memories. I think I left a little piece of my heart and soul out there - I have to go find them again one of these days. Well, the boss is talking about sending me out there for some work projects...

Jonathon

No matter how big the one you just caught is, there's always a bigger one out there somewhere...

Agtabrentwi
Banned
india

Posts: 1

Agtabrentwi on Oct 24, 2011October 24th, 2011, 10:45 pm EDT

hello
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