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Ephydridae? My notes say that in Ephydridae the face often bulges forward.

I took this photo and only after taking it did I discover this fly was dead, sitting on a root of the Sugar Maple tree where, perhaps, it had been feeding.

Is that perhaps a moth fly up near where the wing meets the thorax?

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Hi Stephen,

I would say Pollenia (Calli-horidae),
given the golden hairs on thorax and head profile.


Standard Old world-knowledge disclaimer

Theo Zeegers

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Pollenia

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The "moth fly" is actually the alula (the basal posterior lobe of the wing, excluding the calyptera) inclined up at an angle.

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Theo, Kahis, Tony, Thanks for the help with this image!