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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.

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Kogotus Stonefly Nymph Kogotus Stonefly Nymph

Dorsal view of a Kogotus (Perlodidae) Stonefly Nymph from Mystery Creek #199 in Washington

This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.

8 Recently Added Photos

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 September 25, 2011

Updates from September 25, 2011

Closeup insects by Bnewell from the Touchet River in Washington

Male Paraleptophlebia bicornuta (Mahogany Dun) Mayfly Spinner

Male Paraleptophlebia bicornuta (Leptophlebiidae) (Mahogany Dun) Mayfly Spinner from the Touchet River in Washington

Collected September 25, 2011 from the Touchet River in Washington

Added by Bnewell on September 26, 2011

Collected September 25, 2011 from the Touchet River in Washington and added by Bnewell on September 26, 2011

Comments / replies

Taxon

Site Editor
Plano, TX

Posts: 1311

Taxon on Sep 26, 2011September 26th, 2011, 12:48 pm EDT

Nice photos, Bob. Did you raise it from a nymph?

Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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