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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.

Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington
This species was fairly abundant in a February sample of the upper Yakima.
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 Baetidae (Blue-Winged Olive) Mayfly Dun Pictures

Lateral view of a Female Baetidae (Blue-Winged Olive) Mayfly Dun from the Teal River in Wisconsin
Ventral view of a Female Baetidae (Blue-Winged Olive) Mayfly Dun from the Teal River in Wisconsin
Dorsal view of a Female Baetidae (Blue-Winged Olive) Mayfly Dun from the Teal River in Wisconsin

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

Discussions of this Dun

Baetid
1 replies
Posted by GONZO on Oct 28, 2008
Last reply on Oct 29, 2008 by Troutnut
Not sure how this one slipped through the cracks--the dorsal stripe is cool!

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Female Baetidae (Blue-Winged Olive) Mayfly Dun Pictures

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