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.

Inlet of Upper Titcomb Lake

From Titcomb Basin in Wyoming

Stream photos

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Limnephilus (Summer Flier Sedge) Caddisfly Larva Limnephilus (Summer Flier Sedge) Caddisfly Larva

Case view of a Limnephilus (Limnephilidae) (Summer Flier Sedge) Caddisfly Larva from the Yakima River in Washington

24 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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Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Dun Pictures

This female dun was kind of interesting, having a bit stouter proportions that I'm used to seeing. I forgot to photograph her against the measurement scale.

Lateral view of a Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin

Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin

Dorsal view of a Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin

Ventral view of a Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin

This mayfly was collected from the West Fork of the Chippewa River in Wisconsin on June 21st, 2021 and added to Troutnut.com by Troutnut on June 24th, 2021.

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