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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.

Male Ephemera simulans (Brown Drake) Mayfly Dun Pictures

This mayfly was collected from Flathead Lake in Montana on July 11th, 2009 and added to Troutnut.com by Bnewell on June 27th, 2011.

Discussions of this Dun

Lifestage
1 replies
Posted by Taxon on Jun 24, 2019
Last reply on Jul 2, 2019 by Troutnut
Hi Bob-

I believe this mayfly to be a female dun (subimago) rather than a spinner (imago) as it was labeled. Do you have a reason to believe I am mistaken?

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