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Photo#1314431
Syrphidae? - Chalcosyrphus libo

Syrphidae? - Chalcosyrphus libo
Riverton, Fremont County, Wyoming, USA
August 30, 2016

Images of this individual: tag all
Syrphidae? - Chalcosyrphus libo Syrphidae? - Chalcosyrphus libo

Moved
Moved from Xylotina.

Only two Nearctic Chalcosyrphus with the red abdomen as here; yellow hind tarsi separate this fly from C. piger.

 
C libo was also my first thou
C libo was also my first thought, but look at the map and the time, it is much later and much more SW than the rest... but I have no better idea what it could be...

 
Hmm, interesting - Systema Di
Hmm, interesting - Systema Dipterorum says it gets down to South Dakota which is adjacent... piger does get much further south, though.

Jeff Skevington's page here does note that libo is in Ontario until late July and piger until late September, so this fly is intermediate there. Would you prefer we move it back to subgenus?

 
I think we should leave it wh
I think we should leave it where it is right now... BG is not always complete with the distribution of course and it is not a complete impossible location for it... furthermore it is also the best ID I could come up with!

Moved
Moved from Syrphid Flies.

 
thank you
Thanks for the confirmation on the xylotina

Moved
Moved from ID Request.

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