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Syrphidae - Eristalis dimidiata - male

Syrphidae - Eristalis dimidiata - Male
Chesterfield, St. Louis County, Missouri, USA
October 30, 2013
Size: ~12mm
Seen in the afternoon on a blue aster.


Moved from Syrphid Flies.

Eristalis sp., male.

Thanks for the ID. I'm very curious to know what indicates this is a male.

In family Syrphidae, females always have a gap between eyes on top of the head.

Usefull information
Thanks for filling me in. :)

Moved from ID Request.

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