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For Insects, Spiders & Their Kin
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Species Promachus rufipes - Red-footed Cannibalfly

Red-footed Cannibalfly - Promachus rufipes - female Robber Fly Questions - Promachus rufipes - female Large robber fly - Promachus rufipes - male Is this a Robber Fly? - Promachus rufipes - female Robber - Promachus rufipes Type of Fly?  - Promachus rufipes Red-footed Cannibalfly (Promachus rufipes) - Promachus rufipes - male Red-footed cannibal fly - Promachus rufipes - 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 Promachus (Giant Robber Flies)
Species rufipes (Red-footed Cannibalfly)
Other Common Names
Bee Panther (Bromley 1950)
Synonyms and other taxonomic changes
Promachus rufipes (Fabricius, 1775)
28-35 mm (Hine 1911)
Includes southeastern United States. Seems to be common east of Appalachians, whereas P. hinei is more common to west. Some records from southeastern Ohio, southern New York (Bromley, see Internet references).
meadows, fields
Jul-Oct in NC(1), late Jul -- early Sep in GA(2)
Preys on large flying insects. Has been reported to attack Ruby-throated Hummingbirds (see here)
Print References
Bromley S.W. (1950) Ohio Robber Flies V. Ohio Jour. Sci. 50(5): 229-234
Works Cited
1.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.
2.Giff Beaton's Robber Flies (Asilidae) of Georgia and the Southeast