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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.

Epeorus grandis Mayfly Nymph Pictures

This mayfly was collected from Chatter Creek in Washington on June 3rd, 2022 and added to Troutnut.com by Troutnut on June 4th, 2022.

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