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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.

A beautiful braided reach of the Sag River, with the Philip Smith Mountains in the Arctic National Wildlife Refuge (ANWR) in the background.

From the Sagavanirktok River in Alaska

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Doroneuria baumanni (Golden Stone) Stonefly Nymph Doroneuria baumanni (Golden Stone) Stonefly Nymph

Dorsal view of a Doroneuria baumanni (Perlidae) (Golden Stone) Stonefly Nymph 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.

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.

Updates from June 15, 2021

Updates from June 15, 2021

Photos by Troutnut from the Namekagon River in Wisconsin

The Namekagon River in Wisconsin

16 inch brown

The Namekagon River in Wisconsin

Closeup insects by Troutnut from the Namekagon River in Wisconsin

Male Hexagenia limbata (Hex) Mayfly Spinner

Artistic view of a Male Hexagenia limbata (Ephemeridae) (Hex) Mayfly Spinner from the Namekagon River in Wisconsin

Collected June 15, 2021 from the Namekagon River in Wisconsin

Added by Troutnut on June 20, 2021

Collected June 15, 2021 from the Namekagon River in Wisconsin and added by Troutnut on June 20, 2021

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