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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.

Updates from May 8, 2005

On-stream insect photos by Troutnut from the Beaverkill River and in New York and

Closeup insects by Bnewell from Yellow Bay Creek in Montana

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