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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.

LowBudget has attached these 3 pictures to aid in identification. The message is below.
Body length (excluding tail) is 10 mm.
The coloration of the dun's wings gets left behind in its exuvia.
The background for this image is a blue post-it note.
Adult/spinner
LowBudget
Afton, NY

Posts: 25
LowBudget on Apr 12, 2014April 12th, 2014, 4:16 am EDT
I had a couple of mayflies hatch in an aquarium. I had thought that I only had some stoneflies and beetle larvae in it but lo and behold.....

Any help in identifying these would be appreciated.

The larvae were collected from Trout Creek, a tributary of the West Branch of the Delaware River, located in Delaware County, New York.

Thank you

Ed
Ed
Low Budget Fly Tying and Fishing author of "Behind the Fly"
http://edengelman.com/BTF.html
LowBudget
Afton, NY

Posts: 25
LowBudget on Apr 12, 2014April 12th, 2014, 10:16 am EDT
I have also posted the images on a Flickr page

https://www.flickr.com/photos/107447394@N07/sets/72157643851914463/

Ed
Ed
Low Budget Fly Tying and Fishing author of "Behind the Fly"
http://edengelman.com/BTF.html
Crepuscular
Crepuscular's profile picture
Boiling Springs, PA

Posts: 920
Crepuscular on Apr 12, 2014April 12th, 2014, 12:29 pm EDT
Looks like a female Ephemerella subvaria to me. Although 10mm is a little small.
LowBudget
Afton, NY

Posts: 25
LowBudget on Apr 12, 2014April 12th, 2014, 4:09 pm EDT
Thank you

Ed
Ed
Low Budget Fly Tying and Fishing author of "Behind the Fly"
http://edengelman.com/BTF.html

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