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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Orthorrhapha » Asiloidea » Robber Flies (Asilidae) » Asilinae » Efferia » Arida group (Efferia Arida group)

Arida group

Robberfly - Efferia okanagana Efferia - male Efferia - male Efferia - female Efferia - female Efferia smowi? - Efferia snowi - male Efferia smowi? - Efferia snowi - male Efferia sp Arida group possibly E prattii - Efferia - male
Classification
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 Arida group
Synonyms and other taxonomic changes
Aridefferia Artigas & Papavero 1997
Numbers
12 spp., all in our area(1)
Identification
The following information is based on the modified Key to Eastern Species: (2) For info on the listed reference terms see the wing diagrams here.
1) - Furcation of third vein opposite or beyond base of second posterior cell;
18) - Posterior branch of third vein (R5) curved forward meeting the costa plainly before the apex of wing;
23) - Mesothorax broadly rounded above and without a conspicuous crest of hairs;
28) - Mesothorax with numerous bristly hairs, which are unusually long, scutellum conspicuously hairy and with numerous marginal bristles = (Aridefferia/aridus group)
Range
w. NA(1)
Works Cited
1.Information on robber flies, compiled by F. Geller-Grimm
2.Herschel Raney's Random Natural Acts: Robber Flies
Contributed by Herschel Raney on 23 October, 2008 - 12:53pm
Additional contributions by v belov, Robert H. Biagi
Last updated 24 May, 2021 - 10:34pm

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