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TrnnfltJanuary 2nd, 2017, 3:58 am
Jackson Wyoming

Posts: 1
Saw this brown mayfly on my door the august morning i arrived in jackson hole at the Elk Refuge Hotel cross the road from flat creek in Jackson Hole.
I'm new to learning about these aquatic insects and wondered what this one is?
MillcreekJanuary 2nd, 2017, 8:29 am
Healdsburg, CA

Posts: 318
Michael- It looks like a male subimago Callibaetis species.


"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
TaxonJanuary 2nd, 2017, 8:31 am
Site Editor
Plano, TX

Posts: 1284
Hi Michael-

I believe your avatar image to be that of a male subimago (dun) of genus Callibaetis, which is also known by the common name of Speckledwinged Dun, among numerous others.
Roger Rohrbeck
www.FlyfishingEntomology.com

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