Vieira, Rodrigo;Camargo, Alexssandro;Pollet, Marc;Dikow, Torsten
Efferia
Sign in to savethumb|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 thumb|Male of Efferia aestuans thumb|Female of Efferia aestuans
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- taxon name
- Efferia
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- draconic flies
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- Description
- Biology
- Taxonomy
- Phylogeny
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thumb|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 thumb|Male of Efferia aestuans thumb|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.