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

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Genus Microdon

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Aschiza)
Family Syrphidae (Syrphid Flies)
Subfamily Microdontinae
Genus Microdon
Explanation of Names
Author of genus is Meigen, 1803. Microdon presumably means "small tooth".
Numbers
Nearctica.com and Arnett list 31 species. (1)
Size
circa 15 mm
Identification
Medium-sized bee-mimics. Form of (long) antennae is apparently distinctive.
Range
Likely much of North America. Genus is also found in Eurasia, neotropics.
Season
Typically early summer. May-June (various species, North Carolina). July-October (M. pachstylum--no longer valid name?, sandhills of North Carolina). June (M. tristis, Minnesota), August (M. pseudoglobusus, Minnesota). July (M. fulgens, Oklahoma)
Food
Adults presumably take nectar.
Life Cycle
Larvae slug-like, predatory, occur in ant nests. Adults reported to be seen hovering over ant mounds, presumably for oviposition.
Print References
Brimley, p. 348, gives season for several species in North Carolina. (2)
Lutz, 3rd ed., p. 229--ill. head, p. 254--brief description of life history (3)