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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Hover Flies (Syrphidae) » Eristalinae » Milesiini » Xylotina » Chalcosyrphus » subgenus Xylotomima (Chalcosyrphus subgenus Xylotomima) » Chalcosyrphus metallicus
Photo#1734345
Chalcosyrphus metallicus? - Chalcosyrphus metallicus
Copyright © 2019 Phillip Wallace

Chalcosyrphus metallicus? - Chalcosyrphus metallicus
Thistlethwaite WMA, St. Landry Parish, Louisiana, USA
September 21, 2016
Looking through old photos of Syrphidae, I found this one. I'm pretty sure it's Chalcosyrphus metallicus. I'm not sure about sex, but it may be a pair.

Images of this individual: tag all
Chalcosyrphus metallicus? - Chalcosyrphus metallicus Chalcosyrphus metallicus? - Chalcosyrphus metallicus Chalcosyrphus metallicus? - Chalcosyrphus metallicus Chalcosyrphus metallicus? - Chalcosyrphus metallicus
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Contributed by Phillip Wallace on 2 October, 2019 - 10:07am
Last updated 2 October, 2019 - 12:38pm

Moved
Moved from Chalcosyrphus.
… Ken Wolgemuth, 2 October, 2019 - 12:38pm login or register to post comments

Chalcosyrphus metallicus ....
Chalcosyrphus metallicus .... two females. Males are holoptic (eyes meeting on frons). The width of frons in 1734348 is a trick of the light and in 1734349 you can see the width between the eyes is the same.
… Bill Dean, 2 October, 2019 - 12:32pm login or register to post comments

 
Derp, my bad - thanks! I had
Derp, my bad - thanks! I had forgotten they weren't one of the rare genera with non-holoptic males.
… Kelsey J.R.P. Byers, 2 October, 2019 - 5:14pm login or register to post comments

Moved
Moved from Syrphid Flies.
… Ken Wolgemuth, 2 October, 2019 - 11:03am login or register to post comments

Either anthreas or metallicus
Either anthreas or metallicus, the fully pale front and mid legs make me lean towards metallicus, and see also Bill's comment about orange veins at wing base in anthreas which I don't see here.

This looks to be a male, the other has a much wider eye separation so would be female.
… Kelsey J.R.P. Byers, 2 October, 2019 - 10:49am login or register to post comments

Moved
Moved from ID Request.
… Ken Wolgemuth, 2 October, 2019 - 10:20am login or register to post comments

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