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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.

The Mystery Creek # 294 in Wyoming

Stream photos

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Coleoptera (Beetle) Insect LarvaColeoptera (Beetle) Insect Larva
Lateral view of a Coleoptera (Beetle) Insect Larva from Sears Creek in Washington
6 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.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

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  3. Site updates from May 8, 2005

On-stream insect photos by Troutnut from the Beaverkill River and in New York and

The Beaverkill River in New York
I found this little Paraleptophlebia dun along a Catskill stream, but not enough of her brethren were emerging to get the early-season trout to rise. From the Beaverkill River in New York

Closeup insects by Bnewell from Yellow Bay Creek in Montana

Rhyacophila (Green Sedge) Caddisfly Larva
2 Pictures
Rhyacophila (Rhyacophilidae) (Green Sedge) Caddisfly Larva from Yellow Bay Creek in Montana
Added by Bnewell on June 27, 2011
Collected May 7, 2005 from Yellow Bay Creek in Montana and added by Bnewell on June 27, 2011

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