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For Insects, Spiders & Their Kin
For the United States & Canada
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Species Promachus rufipes - Red-footed Cannibalfly

Red-footed Canibalfly - Promachus rufipes - female Efferia? - Promachus rufipes - female Robber fly - Promachus rufipes Promachus sp. - Promachus rufipes trying to get through the window This robberfly is caught. - Promachus rufipes Ménage à Trois - Promachus rufipes - male - female Robber Fly - Promachus hinei? - Promachus rufipes - female Promachus rufipes - Red-footed Cannibalfly? - Promachus rufipes - male - 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)
Explanation of Names
Promachus rufipes (Fabricius 1775)
28-35 mm (Hine 1911)
PA-FL to IA-MS-AR(1)
meadows, fields
Jul-Oct in NC(2), late Jul to early Sep in GA(3)
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