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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.

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.
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Female Ephemerella dorothea infrequens (Pale Morning Dun) Mayfly Spinner Pictures

I'm calling this one Ephemerella dorothea infrequens because it was collected along with two males that positively ID to that species.

Lateral view of a Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana
Dorsal view of a Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana
Ruler view of a Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana The smallest ruler marks are 1 mm.
Ventral view of a Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana
Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana
Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana
Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana
Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana
Female Ephemerella dorothea infrequens (Ephemerellidae) (Pale Morning Dun) Mayfly Spinner from the Madison River in Montana

This mayfly was collected from the Madison River in Montana on July 1st, 2019 and added to Troutnut.com by Troutnut on July 18th, 2019.


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Female Ephemerella dorothea infrequens (Pale Morning Dun) Mayfly Spinner Pictures

Collection details
Location: Madison River, Montana
Date: July 1st, 2019
Added to site: July 18th, 2019
Author: Troutnut
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