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Braindead has attached this picture to aid in identification. The message is below.
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BraindeadAugust 9th, 2013, 3:34 pm
Niwot, Colorado

Posts: 2
Greetings from Colorado. I'm a new member of the troutnut site and have a question of those knowledgeable about mayflies. Earlier this year I had the privilege of getting to fish a private lake up near Estes Park, Colorado. I fished with 4 other friends from canoe, row boat and yes even a paddle boat. Near the end of our morning, a mayfly landed on my little finger and I managed to get a quick snapshot of it (attached).

Any idea what this little critter is? I've looked around this and a few other sites but can't positively identify it.

Thanks!

Chester Shans
TaxonAugust 9th, 2013, 7:05 pm
Site Editor
Plano, TX

Posts: 1315
Hi Chester-

Welcome to the troutnut forum. The mayfly on your finger in the attached photo is a male imago (spinner) of genus Callibaetis, probably Callibaetis ferrugineus hageni.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
EntomanAugust 9th, 2013, 8:10 pm
Northern CA & ID

Posts: 2604
I agree.
"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
BraindeadAugust 9th, 2013, 10:22 pm
Niwot, Colorado

Posts: 2
Thanks much for the speedy reply. My fly fishing friends and I appreciate the quick answer.

Chester
TaxonAugust 9th, 2013, 11:06 pm
Site Editor
Plano, TX

Posts: 1315
You are certainly welcome, Chester. It was our pleasure to be able to help you and your fly fishing friends.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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