Efferia aestuans

Erax aestuans is a species of insect in the family Asilidae, the robber flies. It is native to eastern North America, where it ranges from Ontario and New Hampshire south into Florida and New Mexico.[1] It was originally described as Asilus aestuans in Carl Linnaeus' 1763 work Centuria Insectorum.[2]

Efferia aestuans
Efferia aestuans male
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Asilidae
Genus:
Efferia
Species:
E. aestuans
Binomial name
Efferia aestuans
Synonyms

It reaches a body length of 18 mm in males and 23 mm in females.[3]

References
  1. "Species Efferia aestuans - BugGuide.Net". Retrieved January 18, 2009.
  2. "Asilus aestuans Linnaeus, 1763". Integrated Taxonomic Information System.
  3. http://bugguide.net/node/view/20274
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