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Hello

I found yesterday this small robberfly in a field close to small calcareous grasslands. I recognize the genus Leptogaster but it is not the common L. cylindrica. With an old "Faune de France" written by E. Seguy in 1927, I came to the conclusion it could be Leptogaster pumila (because of the venation and the grey-dusted pleura), but I don't find much information about it. L. pubicornis seems to be very close but should have more golden dust on pleura according to this key. What do you think about this fly ? Thank you in advance.

Found in Flagy, Seine-et-Marne, Île-de-France, France on the 19th of June 2021
Body length : 7 mm