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.

Sunlight perfectly strikes the trees at a bend in the Foss River in the Washington Cascades.

From the Foss River in Washington

Stream photos

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Perlodidae (Springflies and Yellow Stones) Stonefly Nymph Perlodidae (Springflies and Yellow Stones) Stonefly Nymph

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington

This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.

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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.

National Weather Service in La Crosse captured the Hex hatch on radar

Wiflyfisher

Wisconsin

Posts: 622

Wiflyfisher on Jul 11, 2008July 11th, 2008, 7:02 am EDT

I thought others might enjoy reading this article...

http://www.lacrossetribune.com/articles/2008/07/11/news/03mayflowers11.txt

John S.
https://WiFlyFisher.com

Teddyp
North Carolina

Posts: 18

Teddyp on Jul 11, 2008July 11th, 2008, 9:57 am EDT

That's awesome!

Ted

GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681

GONZO on Jul 14, 2008July 14th, 2008, 8:46 am EDT

Cool, John. For those who haven't seen Doppler tracking of Hex swarms before, here's a link to the PSU Behrend site that has several neat little movies and an explanation of how the Doppler tracking is done:

http://paaquaticfliesrus.bd.psu.edu/webroot/mayflies.asp

Wiflyfisher

Wisconsin

Posts: 622

Wiflyfisher on Jul 14, 2008July 14th, 2008, 1:46 pm EDT

Gonzo, Interesting! I would guess the size of the insects hatching and the density of the hatch has to be pretty amazing to show up. In my experience I have only heard of it on radar for the Hex. hatch, no other mayflies.

The E. luekon/album hatch I have seen on a couple occasions extremely dense as well and covered some bridges, but I have not heard of it on droppler radar.

John S.
https://WiFlyFisher.com