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Species Efferia aestuans

E aestuans - Efferia aestuans - male robber - Efferia aestuans - female Robber Fly - Efferia aestuans - female Robber Fly - Efferia aestuans BG1348 D0570 - Efferia aestuans - female BG1353 D0581 - Efferia aestuans - female Robberfly - Efferia aestuans Robber Fly - Efferia aestuans
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Orthorrhapha" (Brachycera excluding Aschiza and Schizophora))
Superfamily Asiloidea
Family Asilidae (Robber Flies)
Subfamily Asilinae
Genus Efferia
No Taxon (Nerax group)
Species aestuans (Efferia aestuans)
Synonyms and other taxonomic changes
Nerax aestuans is listed as a junior synonym at the USDA's The Diptera Site
originally placed in genus Asilus by Linnaeus in 1763
Range
Ontario and New Hampshire south to Florida, west to Wyoming and New Mexico
Remarks
This is the type species of the genus Efferia
Internet References
classification and distribution (The Diptera Site, USDA)