mating flies, possibly genus <i><a href="//commons.wikimedia.org/w/index.php?title=Limnophora&amp;action=edit&amp;redlink=1" class="new" title="Limnophora (page does not exist)">Limnophora</a></i> (Muscidae), from Ratingen, Germany
<a href="//commons.wikimedia.org/wiki/User:Sarefo" title="User:Sarefo">Sarefo</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>