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Genus Polacantha

7005593 - Polacantha Robber Fly? - Polacantha Robber Fly - Polacantha arcuata - male Polacantha arcuata - female Please help us to identify this guy. - Polacantha - male Blonde robber fly - Polacantha - male Robber fly - Polacantha Asilid - Polacantha - female
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 Polacantha
Explanation of Names
Polacantha Martin 1975
Greek polys (πολυς) 'many' + akantha (ακανθα) 'thorn' --according to Martin, "referring to the patch of strong bristles inside the epandrium"
6 spp. in our area, 11 total(1)
so. US & Mexico; in our area, P. gracilis in se. US, the rest are southwestern (P. composita to OR)(1)
6 species in the U.S.: P. pegma in California, P. grossa and P. sinuosa in Texas, P. arctuata in Arizona, P. gracilis from Maryland to Florida, P. composita from Oregon to Utah and south. There are several species in Mexico as well. This geographic data shouldn't be used to identify these flies as the ranges are likely to be broader.