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Photo#1165323
Spilomyia sayi

Spilomyia sayi
Orleans County, Vermont, USA
August 15, 2015
Can this fly be sexed ? If yes how is that done ? Thanks for the help.

Images of this individual: tag all
Spilomyia sayi Spilomyia sayi

Yes! In most - but not all -
Yes! In most - but not all - syrphid species, the males have holoptic eyes (they touch) and the females' eyes are separated. Here's an example pair:

Male
Female

Looks like yours is also female.

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