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Photo#680012
Robber fly sp. 1 - Cyrtopogon auratus - female

Robber fly sp. 1 - Cyrtopogon auratus - Female
Albion Basin at the top of Little Cottonwood Canyon, Salt Lake County, Utah, USA
July 7, 2012
This large (approx 3/4") robber fly was on the same boulder as the male. Big thanks to Dr. H. Raney for his help in identifying them.

Images of this individual: tag all
Robber fly sp. 1 - Cyrtopogon auratus - female Robber fly sp. 1 - Cyrtopogon auratus - female

Moved
Moved from Cyrtopogon.

Yes, I think these two are th
Yes, I think these two are the Cyrtopogon auratus females.

 
Robber flies
Thank you!I tried using the descriptions in Melander(1923)and couldn't confidently separate the female auratus from aurifex. Would you be able to share how were able to ID the female?

Thanks again!

 
The females of these two spec
The females of these two species are very similar (especially in photographs). Only C. auratus is known from Utah -- as this species ranges a little further south and east than does aurifex (a species limited to the NW US & adjacent Canada).

Moved
Moved from Robber Flies.

Moved
Moved from ID Request.

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