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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 # 227 in Montana

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.

Updates from January 11, 2004

Updates from January 11, 2004

Videos by Troutnut from Miscellaneous Wisconsin in Wisconsin

Hexagenia

This is one of the earliest videos I made, and I was experimenting with a tank and background that didn't work very well.

Featuring: Hexagenia limbata Mayfly Nymph
Added by Troutnut on Mar 30, 2006

Closeup insects by Troutnut from Miscellaneous Wisconsin and the Namekagon River in Wisconsin

4
Stenonema (March Browns and Cahills) Mayfly Nymph
Stenonema (Heptageniidae) (March Browns and Cahills) Mayfly Nymph from unknown in Wisconsin
5
Stenonema vicarium (March Brown) Mayfly Nymph
Stenonema vicarium (Heptageniidae) (March Brown) Mayfly Nymph from unknown in Wisconsin
6
Leptophlebia cupida (Black Quill) Mayfly Nymph
Leptophlebia cupida (Leptophlebiidae) (Black Quill) Mayfly Nymph from the Namekagon River in Wisconsin
4
Hexagenia limbata (Hex) Mayfly Nymph
Hexagenia limbata (Ephemeridae) (Hex) Mayfly Nymph from unknown in Wisconsin
This medium-instar nymph is about an inch long.
3
Ephemerella subvaria (Hendrickson) Mayfly Nymph
Ephemerella subvaria (Ephemerellidae) (Hendrickson) Mayfly Nymph from unknown in Wisconsin
3
Baetisca laurentina (Armored Mayfly) Mayfly Nymph
Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Nymph from unknown in Wisconsin
3
Baetisca laurentina (Armored Mayfly) Mayfly Nymph
Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Nymph from unknown in Wisconsin

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