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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 Baetis tricaudatus (Blue-Winged Olive) Mayfly Dun Pictures

This female was associated with a male of the same species.

Lateral view of a Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from Owasco Inlet in New York
Ruler view of a Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from Owasco Inlet in New York The smallest ruler marks are 1 mm.
Dorsal view of a Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from Owasco Inlet in New York
Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from Owasco Inlet in New York
Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from Owasco Inlet in New York
Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from Owasco Inlet in New York
Ventral view of a Female Baetis tricaudatus (Baetidae) (Blue-Winged Olive) Mayfly Dun from Owasco Inlet in New York

This mayfly was collected from Owasco Inlet in New York on April 3rd, 2007 and added to Troutnut.com by Troutnut on April 3rd, 2007.

Discussions of this Dun

Maybe tricaudatus
25 replies
Posted by GONZO on Apr 4, 2007
Last reply on Apr 10, 2007 by Konchu
Based on size, emergence timing, and general appearance, I'd guess that this and the associated male are probably B. tricaudatus.

Start a Discussion of Dun

Female Baetis tricaudatus (Blue-Winged Olive) Mayfly Dun Pictures

Collection details
Location: Owasco Inlet, New York
Date: April 3rd, 2007
Added to site: April 3rd, 2007
Author: Troutnut
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