Efferia

Efferia
Efferia deserti male in side view
Scientific classification Edit this 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.
A view from above of a female Efferia deserti - note the converging veins R4 and R5 at the wing tip and the narrow cell r4 between both veins; quite a few Efferia species (like this one) have a short vein stub branching off near the split of R4 from R5
Male of Efferia aestuans
Female of Efferia aestuans

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.