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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.

Isonychia bicolor (Mahogany Dun) Mayfly Nymph Pictures

This mayfly was collected from the Namekagon River in Wisconsin on February 7th, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.

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