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Species Bombylius pulchellus

Bombylius pulchellus? - Bombylius pulchellus Bombylius pulchellus II? - Bombylius pulchellus Bee Flies mating - Bombylius pulchellus - male - female Bombylius pulchellus Bombylius pulchellus? - Bombylius pulchellus Bombylius pulchellus   - Bombylius pulchellus - male Bombyliidae  - Bombylius pulchellus Bombyliidae  - Bombylius pulchellus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Bombyliidae (Bee Flies)
Subfamily Bombyliinae
Tribe Bombyliini
Genus Bombylius
No Taxon (Subgenus Bombylius)
Species pulchellus (Bombylius pulchellus)
Synonyms and other taxonomic changes
Bombylius pulchellus Loew
body length 6-7 mm, plus proboscis about 3 mm; overall length 9-10 mm
dark brown with white hairs along anterior and lateral margins of thorax, plus posterior corners of thorax behind wings; proboscis long and slender; wings clear except for groups of blackish spots coalesced to form bands or large blotches (a diagnostic feature)
Ontario and northeastern states, south to Georgia
fields, meadows, gardens
adults fly in spring
larvae are parasitoids of sweat bees (Halictidae), feeding on prepupae or, less commonly, young pupae in the host's nest
Thanks to Joel Kits for identification of this image as B. pulchellus.
See Also
Bombylius pygmaeus has distinctly separated wing spots, not coalesced into bands (see photo at Virtual Exhihit on Canada's Biodiversity)
Bombylius major is larger with bicolored wings containing no spots
Print References
Packer, L. 1988. The effect of Bombylius pulchellus (Diptera; Bombyliidae) and other mortality factors upon the biology of Halictus ligatus (Hymenoptera; Halictidae) in southern Ontario. Canadian Journal of Zoology. 66:611-616.
Internet References
live adult images (Giff Beaton, Georgia)
close-up image of wing showing spots coalesced into blotches (Giff Beaton, Georgia)
article abstract on food of larva [sweat bees; Halictidae] (Laurence Packer, Canadian Journal of Zoology)
example foodplant of adult [Marsh Violet] (John Hilty, Illinois)
presence in Minnesota; list (Insects of Cedar Creek, Minnesota)