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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin

Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

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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Tricorythodes (Trico) Mayfly Nymph Tricorythodes (Trico) Mayfly Nymph

Dorsal view of a Tricorythodes (Leptohyphidae) (Trico) Mayfly Nymph from Mystery Creek #308 in Washington

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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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Updates from July 13, 2011

Updates from July 13, 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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