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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.

Artistic view of a Perlodidae (Springflies and Yellow Stones) Stonefly Nymph from the Yakima River in Washington
This one seems to lead to Couplet 35 of the Key to Genera of Perlodidae Nymphs and the genus Isoperla, but I'm skeptical that's correct based on the general look. I need to get it under the microscope to review several choices in the key, and it'll probably end up a different Perlodidae.
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.

Male Leucrocuta hebe (Little Yellow Quill) Mayfly Spinner Pictures

Lateral view of a Male Leucrocuta hebe (Heptageniidae) (Little Yellow Quill) Mayfly Spinner from the Teal River in Wisconsin
Male Leucrocuta hebe (Heptageniidae) (Little Yellow Quill) Mayfly Spinner from the Teal River in Wisconsin
Dorsal view of a Male Leucrocuta hebe (Heptageniidae) (Little Yellow Quill) Mayfly Spinner from the Teal River in Wisconsin
Male Leucrocuta hebe (Heptageniidae) (Little Yellow Quill) Mayfly Spinner from the Teal River in Wisconsin
Artistic view of a Male Leucrocuta hebe (Heptageniidae) (Little Yellow Quill) Mayfly Spinner from the Teal River in Wisconsin

This mayfly was collected from the Teal River in Wisconsin on July 2nd, 2005 and added to Troutnut.com by Troutnut on April 22nd, 2006.

Discussions of this Spinner

Not Stenacron, probably Leucrocuta
Posted by GONZO on Oct 19, 2006
Last reply on Oct 19, 2006 by GONZO
Size alone would make Stenacron unlikely, but notice the unmarked legs and that the darkest grouping of crossveins is in-between R1 and SC (Stenacron would have them between R1 and R2). Compare this specimen to the one on the Leucrocuta page--they are probably the same species.

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Male Leucrocuta hebe (Little Yellow Quill) Mayfly Spinner Pictures

Collection details
Location: Teal River, Wisconsin
Date: July 2nd, 2005
Added to site: April 22nd, 2006
Author: Troutnut
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