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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.

Polydrusus (Weevils) Beetle Adult Pictures

This is an iridescent green terrestrial beetle. They're common in northern Wisconsin's forests during the middle of summer, and I found them on the water's surface more than any other terrestrial insect. I saw the trout take a few and caught some trout on an imitation.

This beetle was collected from the Bois Brule River in Wisconsin on July 31st, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.

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