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OK Thanks. Haematopota are a flying disaster, as well known.
Your first antennal segment has a clea constriction, the abdomen is “definitely” green (to Haematopota standards) and the scutellum lacks a light spot. So I am afraid it is H. pluvialis.

The frons is about square. The canonical angle of view is slightly more from above, but the handbooks don’t explain this properly !

Theo