Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Efferia apicalis

Efferia apicalis - female Efferia apicalis - female Efferia apicalis - male Cannibalfly? - Efferia apicalis Cannibalfly? - Efferia apicalis Robber Fly - Efferia apicalis Effarias  - Efferia apicalis - male Effarias  - Efferia apicalis - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Asilidae (Robber Flies)
Subfamily Asilinae
Genus Efferia
No Taxon (Nerax group)
Species apicalis (Efferia apicalis)
Synonyms and other taxonomic changes
Nerax apicalis
Explanation of Names
Efferia apicalis (Wiedemann 1821)
11-22 mm(1)
A petite Efferia/Nerax of the southeastern coastal plain. Note the following (Herschel Raney--Key to Efferia of Eastern United States, comments here):
mystax (mustache) with black bristles above and pale yellow hairs below
ovipositor of female of medium length, 4-5 mm
small size--compared to E. femorata
male with reduced white on abdomen down to segments 6 & 7
tibiae mostly "honey yellowish"
se. US (NC-FL-TX)(2), coastal plain
late May, Jun-Aug in GA, NC(3)(4)