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.

Neversink Gorge (Wolf Brook) in New York

Stream photos

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Psychodidae True Fly Larva Psychodidae True Fly Larva

Lateral view of a Psychodidae True Fly Larva from Mystery Creek #308 in Washington

This wild-looking little thing completely puzzled me. At first I was thinking beetle or month larva, until I got a look at the pictures on the computer screen. I made a couple of incorrect guesses before entomologist Greg Courtney pointed me in the right direction with Psychodidae. He suggested a possible genus of Thornburghiella, but could not rule out some other members of the tribe Pericomini.

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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.

Light on the dusk flight

Falsifly

Hayward, WI.

Posts: 660

Falsifly on Dec 25, 2007December 25th, 2007, 11:58 am EST

I think some of the more scientifically inclined contributors to this site might find this an interesting tidbit. I came across it during a Google search and decided to forward it here. Up to this point I’ve never given it much thought but it does offer a plausible possibility.
But than again you guys may be way ahead of me on this one.

http://jeb.biologists.org/cgi/content/abstract/207/5/755

Falsifly
When asked what I just caught that monster on I showed him. He put on his magnifiers and said, "I can't believe they can see that."

Taxon

Site Editor
Plano, TX

Posts: 1311

Taxon on Dec 25, 2007December 25th, 2007, 1:14 pm EST

Allan-

That's an interesting theory, which I hadn't heard before. My suspicion is that optimal water detection may be but one of several reasons for the increased insect flight at dusk. In any event, Merry Christmas to you, and thanks for sharing.

Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com