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Photo#2324800
fly - Microdon scauros

fly - Microdon scauros

Hayden Prairie State Preserve, Howard County, Iowa, USA
July 29, 2023
I think this is an ant fly in the genus Microdon, based on the shape of its antennae. The dark coloration is suggestive of Microdon tristis but I only have photos from the back so a species ID is probably not possible.

Images of this individual: tag all
fly - Microdon scauros fly - Microdon scauros

Comments

Moved
Moved from Microdon.

Kevin Moran agrees that this is likely M. scauros (personal communication to Bill Dean).

 
Microdon scauros
Thanks so much for this great news and for moving this ant fly to Microdon scauros, Ken.

Moved
Moved from Flies.

 
Microdon
Thanks for moving this ant fly to the genus Microdon, Ken.

The flagellum is much longer
The flagellum is much longer than scape; the scutellum with prominent inward-pointing calcars and is the mesotibia mostly orange? This looks a lot like the undescribed species 17-1 on page 46 and 47 of Skevington`s Field Guide which is now named Microdon scauros. I have sent this around for opinions...

 
The flagellum is much longer
Yes, I had looked at that undescribed species in my Field Guide to the Flower Flies of Northeastern North America since it was the only other really dark-colored flower fly in the guide. Thanks for your informative comments about this ant fly, Bill.

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