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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.

Lateral view of a Male Baetidae (Blue-Winged Olive) Mayfly Dun from Mystery Creek #308 in Washington
This dun emerged from a mature nymph on my desk. Unfortunately its wings didn't perfectly dry out.
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 Baetisca laurentina (Armored Mayfly) Mayfly Spinner Pictures

Female Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Spinner from the Namekagon River in Wisconsin
Lateral view of a Female Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Spinner from the Namekagon River in Wisconsin
Female Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Spinner from the Namekagon River in Wisconsin
Ventral view of a Female Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Spinner from the Namekagon River in Wisconsin
Female Baetisca laurentina (Baetiscidae) (Armored Mayfly) Mayfly Spinner from the Namekagon River in Wisconsin

This mayfly was collected from the Namekagon River in Wisconsin on May 28th, 2005 and added to Troutnut.com by Troutnut on May 24th, 2006.


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Female Baetisca laurentina (Armored Mayfly) Mayfly Spinner Pictures

Collection details
Location: Namekagon River, Wisconsin
Date: May 28th, 2005
Added to site: May 24th, 2006
Author: Troutnut
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