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Hello

Today I took photos of an unkwown fly. I didn't have idea of the family, but after a few search, I think it is a Psilidae. I find it very close to Chyliza leptogaster. But since I don't know much about this family, is it possible to confirm th ID ?

Thank you in advance.:)

Found in a wasteland around a small wood and the city.
Rosny-Sous-Bois, Seine-Saint-Denis, Île-de-France, France.
8th of June 2020
Length : around 6-7 mm ?