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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Dorsal view of a Holocentropus (Polycentropodidae) Caddisfly Larva from the Yakima River in Washington
This one seems to tentatively key to Holocentropus, although I can't make out the anal spines in Couplet 7 of the Key to Genera of Polycentropodidae Larvae nor the dark bands in Couplet 4 of the Key to Genera of Polycentropodidae Larvae, making me wonder if I went wrong somewhere in keying it out. I don't see where that could have happened, though. It might also be that it's a very immature larva and doesn't possess all the identifying characteristics in the key yet. If Holocentropus is correct, then Holocentropus flavus and Holocentropus interruptus are the two likely possibilities based on range, but I was not able to find a description of their larvae.
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.

BigTrout's profile picture
Posts: 18
BigTrout on Apr 12, 2012April 12th, 2012, 5:52 pm EDT
I've been thinking alot lately on trout, where they came from and where their native lands were/are...

I am from Utah and the waters I fish can be pretty diverse somtimes, depending on the creek or lake. The trout range from German Brown, Bonneville cutthroat, colorado river cutthroat and Brooke Trout and of course the Rainbow trout. I'm curious to know where these trout originated from. Any advice would be appreciated. Thanks!
The great charm about fly fishing is that we are always learning; no matter how long we have been at it, we are constantly making some new wrinkle. - Theodore Gordon
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Apr 12, 2012April 12th, 2012, 6:24 pm EDT
Hi Bigtrout,

Schwiebert's opus "Trout" is very informative on this issue and nobody does it better in terms of story telling.

The best books for anglers on the subject by far are "About Trout" and "Trout & Salmon of North America", both by Dr. Robert Behnke, who is one of the world's leading authorities on salmonids.

Here's a podcast you might find interesting. Just click on the link and it will take you there. He's a true scholar & gentleman and our fisheries would be a whole lot better off if we only listened and followed his advice.
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman

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