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Species Heterostylum robustum - Bomber Fly

Bomber Fly - Heterostylum robustum Bee fly - Heterostylum robustum H robustum ovipositing - Heterostylum robustum - female  Reality check: Is this the Bomber Fly (Heterostylum robustum)? - Heterostylum robustum OC Bee Fly Archives - So much for venation! - Heterostylum robustum OC Bee Fly Archives - So much for venation! - Heterostylum robustum Beefly. - Heterostylum robustum Acts like a hummingbird moth. - Heterostylum robustum
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Orthorrhapha" (Brachycera excluding Aschiza and Schizophora))
Superfamily Asiloidea
Family Bombyliidae (Bee Flies)
Subfamily Bombyliinae
Tribe Bombyliini
Genus Heterostylum
Species robustum (Bomber Fly)
Size
10-12 mm
Identification
Large Bee-fly with long proboscis and strong pattern on rear of abdomen.
Range
Apparently widespread. Noted from California, east to Georgia, North Carolina.
Life Cycle
Parrasitoid of hymenoptera--reported to attack Nomia (Halictidae) and Ammophila (Sphecidae).
Print References
Bohart, G. E., W. P. Stephen & R. K. Eppley, 1960. The biology of Heterostylum robustum, a parasite of the Alkali bee. Annals of the Entomological Society of America 53: 425-435. (reference listed in a bibliography on the Internet)
Internet References
Herschel Raney: key, checklist
North Carolina State University lists just H. robustus with 4 pinned, but no specimens from that state.