Xenasteiidae

Xenasteiidae is a family of flies. The flies are smaller than 2 mm long and are identified by the wing venation. The wings have two breaks in the costal vein and M1 is reduced becoming thinner in the medial region and not reaching the wing margin. The alula is well developed with a long fringe.^[1]

Xenasteiidae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
(unranked):	Cyclorrhapha
Section:	Schizophora
Subsection:	Acalyptratae
Superfamily:	Opomyzoidea
Family:	Xenasteiidae Hardy, 1980
Type species
Xenasteia sabroskyi