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.

Waterfalls over smooth bedrock above Titcomb Lakes

From Titcomb Basin in Wyoming

Stream photos

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Holocentropus Caddisfly Larva Holocentropus Caddisfly Larva

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.

11 Recently Added Photos

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.

New stream side friends

Rfberan has attached this picture. The message is below.

Rfberan

OH

Posts: 1

Rfberan on Jul 31, 2020July 31st, 2020, 1:02 am EDT

Accidently sat next to two new friends streamside on PA trip last weekend.

Wbranch

York & Starlight PA

Posts: 2635

Wbranch on Jul 31, 2020July 31st, 2020, 5:20 am EDT

Ug! I see one in the left side of the photo but not the other. Friends like that you don't need.

Catskill fly fisher for fifty-five years.

Martinlf

Moderator
Palmyra PA

Posts: 3047

Martinlf on Jul 31, 2020July 31st, 2020, 5:56 am EDT

Yikes!

"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell

Stickstring
Kalispell MT

Posts: 14

Stickstring on Aug 1, 2020August 1st, 2020, 3:25 am EDT

I have a problem with snakes. Iâ€™ll take bumping moose or grizzly bears everyday over snakes....

Jmd123

Oscoda, MI

Posts: 2474

Jmd123 on Aug 10, 2020August 10th, 2020, 5:56 am EDT

Looks like genuine timber rattlers to me. Those poor things are just about on the endangered species list! Be happy that you saw them, from a safe distance...they're not common.

Jonathon

No matter how big the one you just caught is, there's always a bigger one out there somewhere...