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Photo#482513
Hoverfly sp? - Eristalis tenax

Hoverfly sp? - Eristalis tenax
Old Fall River Road, Rocky Mountain National Park County, Colorado, USA
September 25, 2010
Hoverfly on Mountain Yarrow, Achillea lanulosa,

Moved
Moved from ID Request.

Looks like
something in Eristalis
I might think Eristalis tenax (Drone Fly), but I'm no expert and I'm mostly basing that on what I have here in NJ.

 
Eristalis tenax, seconded.
.

 
Thanks John
It sure looks like what you have suggested. I have seen them here in Virginia. This one was at a pretty high elevation 10,800 feet or so in the subalpine zone, not quite alpine tundra but getting close. That is quite a tolerance range. There shouldn't be any polluted water at this elevation for breeding. Thanks for all of your help on all of the images. - Rob

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