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Calendar
BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
 
Photos from the gathering
 
Photos from the 2007 gathering in Minnesota

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Species Physocephala tibialis

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Acalyptratae)
Family Conopidae (Thick-headed Flies)
Subfamily Conopinae
Genus Physocephala
Species tibialis (Physocephala tibialis)
Numbers
one of 7 species in this genus in North America
Identification
adult body mostly black with broad white band between abdominal segments one and two; wings black
Range
eastern United States and southern Ontario
Habitat
adults visit flowers of herbaceous plants during the day
Season
adults in June and July (in Ohio & West Virginia)
Life Cycle
reported to parasitize workers of the bumble bee Bombus bimaculatus
Internet References
live adult image from Kansas and ID info (Kansas Dept. Agriculture & Kansas State U.)
literature citation; 4 MB PDF doc reporting parasitization of bumble bees in eastern US (U. of California at Berkeley)
presence in North Carolina; list showing 38 pinned specimens in collection, including local specimens (North Carolina State U.)
presence in Ohio and West Virginia; PDF doc list and seasonality (W.B. Bond, Marietta College, Ohio)
presence in Illinois; list (Flower-visiting Insects of Prairie Coreopsis, John Hilty, Illinois)
presence in Ontario; list at Ojibway Prairie, Windsor (courtesy U. of Guelph)