Empidoidea

thumb|Pictures of posterior part of abdomen. (A–E) male genitalia in dorsal view, Atelestus pulicarius (A), Neurigona suturalis (B), Empis vitripennis (C), Hybos grossipes (D), Ragas unica (E); (F, G) male genitalia in dorsal view, Clinocera nivalis (F), E. vitripennis (G); (H–J), female genitalia in dorsal view, C. nivalis (H), E. vitripennis (I), Trichopeza longicornis (J). thumb|Photographs of right wing of several Empidoidea species. Abbreviations: h, humeral crossvein; Rs, radial sector; r‐m, radial‐medial crossvein; M1, first medial vein; M1+2, first and second medial vein (unbranched);

Atelestidae is a family of flies in the superfamily Empidoidea. The four genera were placed in a separate family in 1983; they were formerly either in Platypezidae (which are not even particularly closely related) or considered incertae sedis. While they are doubtless sister to all other living Empidoidea, the monophyly of the family is not fully proven. The genus Nemedina seems to represent a most ancient lineage among the entire superfamily, while Meghyperus is probably not monophyletic in its present delimitation, and it is liable to be split up eventually, with some species being placed el

Homalocnemis is a genus of flies which is placed in a family of its own, the Homalocnemidae. There are about seven species in the genus found in the Afrotropical, Neotropical, and Australasian regions, suggestive of a Gondwanan origin. The genus was formerly considered a primitive empidoid and placed variously in the Hybotidae or in the empidid subfamily Brachystomatinae. They are recognized by their wing venation which includes a long anal cell and a long basal segment of the antennal style.

Oreogetonidae is a family of flies in the order Diptera, belonging to the superfamily Empidoidea. The family comprises a single genus, Oreogeton, with 36 described species. These flies are widely distributed across North America, Europe, Asia, Australia, New Zealand, and particularly South America, where the majority of species are found.

genus of insects