Posted by Ectemnius on 13-02-2016 17:19
#2
Hello Maherjos,
The M shaped black shiny mark is a feature of the genus Desmometopa. There are six European species. Sabrosky 1983 reviewed the world species.
You can find teh article here: http://diptera.myspecies.info/content/synopsis-world-species-desmometopa-loew-diptera-milichiidae
Greetings,
Ectemnius