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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.

The Tanana River in Alaska

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Sweltsa (Sallfly) Stonefly NymphSweltsa (Sallfly) Stonefly Nymph
Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington
This species was fairly abundant in a February sample of the upper Yakima.
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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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  3. Site updates from December 19, 2009

Closeup insects by Bnewell from 6 Mile Creek and the Flathead River in Montana

Drunella spinifera (Western Slate Olive Dun) Mayfly Nymph
3 Pictures
Drunella spinifera (Ephemerellidae) (Western Slate Olive Dun) Mayfly Nymph from 6 mile Creek in Montana
This species resembles Drunella grandis but the spines tell the story.
Added by Bnewell on June 26, 2011
Collected December 18, 2009 from 6 mile Creek in Montana and added by Bnewell on June 26, 2011
Isocapnia integra (Little Snowfly) Stonefly Nymph
1 Picture
Isocapnia integra (Capniidae) (Little Snowfly) Stonefly Nymph from the Flathead River-upper in Montana
Added by Bnewell on June 26, 2011
Collected December 18, 2009 from the Flathead River-upper in Montana and added by Bnewell on June 26, 2011

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