| 词条 | Efferia aestuans |
| 释义 |
| image = Efferia aestuans1.JPG | image_caption = Efferia aestuans male | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Diptera | familia = Asilidae | genus = Efferia | species = E. aestuans | binomial = Efferia aestuans | binomial_authority = (Linnaeus, 1763) | synonyms =
}}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] It reaches a body length of 18 mm in males and 23 mm in females.[3] References1. ^{{cite web |title= Species Efferia aestuans - BugGuide.Net |url= http://bugguide.net/node/view/20274 |accessdate=January 18, 2009}} 2. ^{{ITIS |taxon=Asilus aestuans Linnaeus, 1763 |id=133507}} 3. ^http://bugguide.net/node/view/20274 External links
3 : Asilinae|Diptera of North America|Insects described in 1763 |
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