---

Is it possible to tell genus and perhaps spieces of this fly with body 5-6 mm?
I have not seen any Heleomyzidae with this squarish white spot at scutellum before. Perhaps that could help to get spieces?

Photos from 11 april 2014 Hörsång 62 N, E 17 Ångermanland, Sweden.

Thanks for your help in advance
Regards
Kurt Holmqvist