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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.

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.

Pdcox
Kansas city

Posts: 12
Pdcox on Dec 10, 2019December 10th, 2019, 11:23 am EST
Fished the Niangua River in central Missouri. I have rarely seen surface or in the film action over the years. Yesterday, 9 AM, 51 degrees F, overcast skies, the rainbows went wild on these. I had seen several black flies about, but found no takers of the dry. Finally hooked two on a BWO dry, go figure, and persuaded one of them to show me what they were eating. Pictures attached. Any confirmation?


https://pauldavid.smugmug.com/Bugs/i-ggdDd2n

Millcreek
Healdsburg, CA

Posts: 344
Millcreek on Dec 10, 2019December 10th, 2019, 3:46 pm EST
Paul,
The pictures don't look like a Simuliidae. The antennae of the insects in the picture is too long. They look more like some kind of caddisfly.
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
Pdcox
Kansas city

Posts: 12
Pdcox on Dec 10, 2019December 10th, 2019, 11:41 pm EST
thank you, will look more deeply into them
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Dec 12, 2019December 12th, 2019, 12:45 pm EST
Yes, caddis.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Brian314
Fenton, MI.

Posts: 28
Brian314 on Mar 7, 2020March 7th, 2020, 11:40 pm EST
Looks like Black (aka Mothers Day) caddis but there is a hint of olive in 2 of the bugs so maybe Rhyacophila (green sedge) ???? :-)
Troutnut
Troutnut's profile picture
Administrator
Bellevue, WA

Posts: 2758
Troutnut on Mar 9, 2020March 9th, 2020, 5:40 am EDT
Definitely caddisflies. Looks like some pupae and drowned adults.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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