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.

Stream photos

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Stenacron interpunctatum (Light Cahill) Mayfly Nymph Pictures

This mayfly was collected from the Marengo River in Wisconsin on June 5th, 2005 and added to Troutnut.com by Troutnut on May 25th, 2006.

Discussions of this Nymph

Cahills hatching characteristics and swimming ability

1 replies

Posted by Chadwick on Jul 1, 2009

Last reply on Jul 2, 2009 by GONZO

I would like to know the best way to present the nymph and in which section of the river. Should they be dead drifted mid riffle, swung through tail out ect.