Pseudacteon formicarum is a kind of parasitic species of flies from the family of Phoridae of the subfamily Metopininae.

Pseudacteon formicarum is found in Europe,[1][2] and is parasitic on the ants Lasius alienus, Lasius niger, Lasius emarginatus, Lasius flavus, Lasius fuliginosus, Formica sanguinea, Myrmica lobicornis, Tapinoma erraticum and others.

[1] This Muscomorph fly superfamily Platypezoidea article is a stub.

You can help Wikipedia by expanding it.