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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York

Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Mystery Creek # 256 in Idaho

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Coleoptera (Beetle) Insect Larva Coleoptera (Beetle) Insect Larva

Lateral view of a Coleoptera (Beetle) Insect Larva from Sears Creek 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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