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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.

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 Cinygmula tarda Mayfly Dun Pictures

For details about the tentative identification of this female dun, see the page for associated male spinner, captured from a mating swarm in the same location and at the same time as this dun was emerging.

Ruler view of a Female Cinygmula tarda (Heptageniidae) Mayfly Dun from the Cedar River in Washington The smallest ruler marks are 1 mm.
Lateral view of a Female Cinygmula tarda (Heptageniidae) Mayfly Dun from the Cedar River in Washington
Dorsal view of a Female Cinygmula tarda (Heptageniidae) Mayfly Dun from the Cedar River in Washington
Ventral view of a Female Cinygmula tarda (Heptageniidae) Mayfly Dun from the Cedar River in Washington

This mayfly was collected from the Cedar River in Washington on June 30th, 2021 and added to Troutnut.com by Troutnut on July 2nd, 2021.


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Female Cinygmula tarda Mayfly Dun Pictures

Collection details
Location: Cedar River, Washington
Date: June 30th, 2021
Added to site: July 2nd, 2021
Author: Troutnut
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