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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.

For how many years, I wonder, have these huge slabs of rock sheltered wild brook trout?

From Mystery Creek # 89 in New York

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Sweltsa (Sallfly) Stonefly Nymph Sweltsa (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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Site updates from July 14, 2011

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Site updates from July 14, 2011

Photos by Bnewell from Swamp Creek in Oregon

Habitat of Cinygma nymphs collected this date. Nymphs were mature along with two Ameletus species and Drunella spinifera and some caddisflies.

From Swamp Creek in Oregon

Closeup insects by Bnewell from Swamp Creek in Oregon

Ameletus celer (Brown Dun) Mayfly Nymph

Ameletus celer (Ameletidae) (Brown Dun) Mayfly Nymph from Swamp Creek in Oregon

Collected July 13, 2011 from Swamp Creek in Oregon

Added by Bnewell on July 15, 2011

Collected July 13, 2011 from Swamp Creek in Oregon and added by Bnewell on July 15, 2011

Sweltsa fidelis (Sallfly) Stonefly Adult

Sweltsa fidelis (Chloroperlidae) (Sallfly) Stonefly Adult from Swamp Creek in Oregon

Collected July 13, 2011 from Swamp Creek in Oregon

Added by Bnewell on July 14, 2011

Collected July 13, 2011 from Swamp Creek in Oregon and added by Bnewell on July 14, 2011

Cinygma (Western Light Cahill) Mayfly Nymph

Cinygma (Heptageniidae) (Western Light Cahill) Mayfly Nymph from Swamp Creek in Oregon

Collected July 13, 2011 from Swamp Creek in Oregon

Added by Bnewell on July 14, 2011

Collected July 13, 2011 from Swamp Creek in Oregon and added by Bnewell on July 14, 2011

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