A small fly from the Fritfly family (CHLOROPIDAE: Thaumatomyia) [1] feeds on what appeared to be a small turd.

References
1 Nederlands SoortenregisterThaumatomyia sp.
A small fly from the Fritfly family (CHLOROPIDAE: Thaumatomyia) [1] feeds on what appeared to be a small turd.
References
1 Nederlands Soortenregister