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 view of the pipeline, the Atigun River, and an impressive sunset/rise was one of my first views of the North Slope as I came through Atigun Pass in the middle of the night.

From the Atigun River in Alaska

Stream photos

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Coleoptera (Beetle) Insect Larva Coleoptera (Beetle) Insect Larva

Lateral view of a Coleoptera (Beetle) Insect Larva from Sears Creek in Washington

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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.

Vermont Ice Out trout stomachs

Billj has attached this picture to aid in identification. The message is below.

Odd cased insects? found in all brook trout stomachs at ice out. water temp 35 F no emergers yet seen.

Billj
sunderland, vermont

Posts: 4

Billj on Apr 23, 2011April 23rd, 2011, 5:28 am EDT

hello, I am stumped and the fish biologists here are shrugging and throwing out guesses as to what I have here.

most think its a diptera with the legs already dissolved but I disagree, its a hard casement and all of the ice out brook trout are full of them in the ponds here in S. VT.

what the heck are they?

half an inch in length to almost an inch, I will try to dissect one open this week if I catch more with them in it.

any help, would be thankfully accepted!

Taxon

Site Editor
Plano, TX

Posts: 1311

Taxon on Apr 23, 2011April 23rd, 2011, 6:30 am EDT

Bill-

That is an aquatic soldier fly larva, family Stratiomyidae, probably genus Stratiomys. Please see this photo by Tom Murray.

Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

Billj
sunderland, vermont

Posts: 4

Billj on Apr 23, 2011April 23rd, 2011, 5:58 pm EDT

Fantastic! Thanks for the fast and accurate reply, these were new to me and I knew they weren't something with partially digested legs missing.

I'm very glad I found this site, great folks and very knowledgeable and helpful!
Bill

Taxon

Site Editor
Plano, TX

Posts: 1311

Taxon on Apr 23, 2011April 23rd, 2011, 6:36 pm EDT

Bill-

Your are welcome; my pleasure.

Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

PaulRoberts