Efferia

Efferia
Efferia deserti male in side view
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Asilidae
Subfamily: Asilinae
Genus: Efferia
Coquillet, 1893
Type species
Efferia candida
Coquillet, 1893
Species

over 240, see text

Synonyms
  • Nerax Hull, 1962, TS: Asilus aestuans Linnaeus (orig. des.)
  • Erax of authors, not Scopoli.

Efferia is an insect genus of mainly neotropical and nearctic Diptera in the family Asilidae or robber flies. It is one of the most species-rich genera of Asilidae, with particularly high diversity in arid or semi-arid ecosystems of the New World.