What species is this?

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TurbineBlade

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Jul 16, 2013, 7:14:46 PM7/16/13
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This thing was pretty big -- larger than a half dollar. 
 
The snake doused me in a delicious musk promptly after I chased it across the driveway there.
 
Gene
Unknown mayfly.JPG
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Jeffrey Silvan

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Jul 16, 2013, 7:37:00 PM7/16/13
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I saw them all over the place down in Georgia over the 4th. I'll be interested in if anyone knows the scientific name. My googling of "Golden Drake" or "Yellow Sulphur" got me pictures that matched, but they all seemed to claim it was a Hexagenia limbata. Googling "Hexagenia limbata" did not get me matches. Googling the scientific names of "Golden Drake" and "Yellow Sulphur" did not return as good picture matches.


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Eric Y.

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Jul 16, 2013, 10:09:00 PM7/16/13
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I saw thousands of them on the lake around 10PM a few weeks ago. My best guess is Hexagenia limbata, but that's far from an expert opinion. 


On Tuesday, July 16, 2013 7:37:00 PM UTC-4, Jeff Silvan wrote:
I saw them all over the place down in Georgia over the 4th. I'll be interested in if anyone knows the scientific name. My googling of "Golden Drake" or "Yellow Sulphur" got me pictures that matched, but they all seemed to claim it was a Hexagenia limbata. Googling "Hexagenia limbata" did not get me matches. Googling the scientific names of "Golden Drake" and "Yellow Sulphur" did not return as good picture matches.
On Tue, Jul 16, 2013 at 7:14 PM, TurbineBlade <doubl...@gmail.com> wrote:
This thing was pretty big -- larger than a half dollar. 
 
The snake doused me in a delicious musk promptly after I chased it across the driveway there.
 
Gene

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TurbineBlade

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Jul 17, 2013, 5:43:01 AM7/17/13
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Cool -- That guy was on a gas pump near Front Royal on my way to St. Louis, extremely early in the morning and I thought it was an odd place to find one of the EPT aquatic insects ;).  

Gene

namfos

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Jul 17, 2013, 8:51:08 AM7/17/13
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It's likely a Hexagenia - they are mighty damn large. They also taste good with single malt chaser. ;-) 
Your specimen looks to me like it might be a Hexagenia rigida, a/k/a Great Olive-Winged Drake - more info at TroutNut.com (definitely a go-to site for fish bugs), http://bit.ly/16IXrT8

Mark

Richard Farino

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Jul 17, 2013, 11:25:11 AM7/17/13
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That’s a Anthopotamus distinctus mayfly, also known as a golden drake.  It’s pretty common in the East here.  It used to be called Potamanthus but was changed.

 

We don’t normally see Hexagenia insects this far south.  They’re strong in Michigan and the Adirondacks.  The indicators for it not being a Hex is the lack of a dark edge of the hind wings and the dark forelimbs.

 

The real indicator would be the number of tails.  It’s a male (large eyes).  Count the tails next time.  If it had 3 tails (with the middle being shorter) it’s A. distinctus.

 

This bug also has the distinction of being the first mayfly to be identified in the United States.

 

 

R

 

 

Richard Farino

Urban Angler VA | 108 N. Washington Street  2nd Floor | Alexandria, VA 22314 Google_Maps_Marker

(703) 527-2524 | fax: (703) 527-3313 | ric...@urbanangler.com

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TurbineBlade

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Jul 17, 2013, 12:41:22 PM7/17/13
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Oh cool.  I had the vague feeling I might be duped by typing in something that sounds like "hippopotamus" for a genus Rich....but I still typed it in to see ;).  Right on!  

Given its size I can see why they would have identified it first!  If anyone wants to observe one, you need to find a shell station at 3 in the morning and you need  to have not changed your pants for at least 3 days.  

Gene


On Tuesday, July 16, 2013 7:14:46 PM UTC-4, TurbineBlade wrote:
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