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Ndebarmore has attached these 2 pictures to aid in identification. The message is below.
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Mayfly
Mayfly
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Tiger Trout
Tiger Trout
NdebarmoreJuly 21st, 2014, 10:52 am
Posts: 1Hello,
This may be a longshot, as the image was from my iPhone and I couldn't get very macro.

Fish were slamming these in Amethyst Basin of the Uintas this weekend.

I think this is a spinner because of the clear wings. Swarms became noticeable around 10 AM to noon. They were clinging all over my clothes. Saw plenty of spent ones flat in the water.

If anyone can help identify, I would really appreciate it!

I've also included a photo of the fish eating them!
OldredbarnJuly 21st, 2014, 11:29 am
Novi, MI

Posts: 2589
My first guess would be some sort of Callibaetis?

Spence
"Even when my best efforts fail it's a satisfying challenge, and that, after all, is the essence of fly fishing." -Chauncy Lively

"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood
MillcreekJuly 21st, 2014, 12:03 pm
Healdsburg, CA

Posts: 327
I think it's a Callibaetis female but not sure of the species. Beautiful looking country and a nice trout too.
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
TaxonJuly 21st, 2014, 12:09 pm
Site Editor
Plano, TX

Posts: 1291
Hi Ndebarmore-

As Spence and Mark suggest, it's a Callibaetis female imago (spinner), probably C. ferrugineus hageni.
Roger Rohrbeck
www.FlyfishingEntomology.com
EntomanJuly 21st, 2014, 9:21 pm
Site Editor
Northern CA & ID

Posts: 2604
Welcome to the forum, Ndebarmore.

Beautiful lake, beautiful fish, beautiful fly! I'm jealous...:)

Definitely a female Callibaetis imago (Speckled Spinner). I agree with Taxon on the probability of the species.
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman
CrepuscularJuly 21st, 2014, 9:55 pm
Boiling Springs, PA

Posts: 917
Welcome Ndebarmore. Beautiful setting, great description of the Callibaetis emergence and like Entoman , I'm jealous...nice fish too, cool pattern of spots on that one! Quite a difference from where I've been lately, throwing beetles on PA spring creeks. Congrats!

Eric

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