**Male Ephemera simulans (Brown Drake) Mayfly Dun Pictures**

Mayflies

Caddisflies

Stoneflies

Classification

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Ephemeridae (Hexes and Big Drakes)

» Genus Ephemera

» Species simulans (Brown Drake)

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

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Male Ephemera simulans (Brown Drake) Mayfly Dun from Flathead Lake in Montana

View Full Size (3.1X larger)

Recent Discussions of this Dun

Lifestage 1 Reply »

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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