Header image
Enter a name
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.

Lateral view of a Female Sweltsa borealis (Chloroperlidae) (Boreal Sallfly) Stonefly Adult from Harris Creek in Washington
I was not fishing, but happened to be at an unrelated social event on a hill above this tiny creek (which I never even saw) when this stonefly flew by me. I assume it came from there. Some key characteristics are tricky to follow, but process of elimination ultimately led me to Sweltsa borealis. It is reassuringly similar to this specimen posted by Bob Newell years ago. It is also so strikingly similar to this nymph from the same river system that I'm comfortable identifying that nymph from this adult. I was especially pleased with the closeup photo of four mites parasitizing this one.
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.

PaulRoberts's profile picture

Posts: 1776
PaulRoberts on Mar 16, 2012March 16th, 2012, 8:19 am EDT
While we're onto stoneflies, who is the mid-sized to large "golden"/"tiger" stonefly with bright red legs. I'd caught some a while back and never ID'd them. I'm embarrassed to say I don't remember where I caught them (NY or CO) and don't have the time right now to dig through my journals. Are there any bright blood-red legged stones out there?
Entoman's profile picture
Northern CA & ID

Posts: 2604
Entoman on Mar 16, 2012March 16th, 2012, 12:02 pm EDT
Hi Paul,

While we're onto stoneflies

Sorry about that. For some of you that may be wondering why I posted all the stonefly topics out of the blue, it's because I'm editing that section of the hatch Pages. The reason they show up in the forum is so that everybody: a. is made aware of the updates and, b. can comment on the determinations or taxa information.

who is the mid-sized to large "golden"/"tiger" stonefly with bright red legs

Based on your use of the word 'tiger', I'm assuming it was pretty brightly marked which makes me think it's a species of Perlidae, subfamily Perlinae (assuming it had obvious thoracic gills). The Acroneuriinae are rarely described this way. I doubt you took this specimen in CO. In the West, we have it a little easier because of only having one species of Perlinae, the monotypic Claassenia sabulosa. I have never heard of a variant described with red legs, though I guess it's possible. More than likely it came from your NY days and is some variant of the Perlinae species found there: Agnetina capitata, Neoperla occipitalis, Paragnetina immarginata, or P. media.

Anybody from NY run into a red legged perlid that can help with this?

"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
PaulRoberts's profile picture

Posts: 1776
PaulRoberts on Mar 16, 2012March 16th, 2012, 12:09 pm EDT
Yes it's a Perlid. It's not C. sabulosa so it must have been NY. I'll have to go through my journals I guess -they are in book form and therefore not searchable. There was a time when I knew where everything in them was. Use it or lose it sort of thing.

Quick Reply

Related Discussions

Last Reply
Jan 7, 2012
by FisherOfMen
Apr 28, 2007
by Martinlf
Troutnut.com is copyright © 2004-2023 (email Jason). privacy policy