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Blue-winged Olives

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.

Male Cinygmula mimus Mayfly Spinner Pictures

Male Cinygmula mimus spinner trapped in its subimago skin, a cripple??

This mayfly was collected from the Touchet River in Washington on June 3rd, 2012 and added to Troutnut.com by Bnewell on June 5th, 2012.

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