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.

Help for the Delaware

Martinlf

Moderator
Palmyra PA

Posts: 3047

Martinlf on Jun 2, 2010June 2nd, 2010, 10:34 am EDT

Hi, TU just sent me an email asking for support for better flow releases to help protect the fish during warm weather. The URL for their "take action" page is

http://takeaction.tu.org/c.ntJSJ8MPIqE/b.6070811/k.810D/Tell_DRBC_to_Implement_Biologists_Recommendations_for_Upper_Delaware_River_Flow/siteapps/advocacy/ActionItem.aspx?tr=y&auid=6430278

Please see if you can access the page and add your name to help this amazing river system, its fish, and its anglers.

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

--Fred Chappell

Flyfisher06
argyle ny near saratoga

Posts: 48

Flyfisher06 on Jun 3, 2010June 3rd, 2010, 2:31 pm EDT

I recieved the same letter and responded immediately Good Advice thanks for thinking of posting this post Todd

IF I am not flyfishing or bird hunting I must be doing something bad like working !!

Martinlf

Moderator
Palmyra PA

Posts: 3047

Martinlf on Jun 4, 2010June 4th, 2010, 2:10 am EDT

Thanks, Todd. This fine river needs all the help it can get.

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

--Fred Chappell

Vinlflyfish