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For the United States & Canada
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Calendar
BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
Details...
 
Photos from the last gathering (Minnesota 2007)

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Species Toxomerus politus

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Aschiza)
Family Syrphidae (Syrphid Flies)
Subfamily Syrphinae
Tribe Toxomerini
Genus Toxomerus
Species politus (Toxomerus politus)
Size
body 7-9 mm
Identification
scutellum mostly yellow; margin of abdomen with alternating black and yellow markings; dorsal surface of abdomen with distinctive pattern
Range
southern Canada to Argentina
Season
adults present in August and September in northern United States and Ontario
Remarks
much less common than T. marginatus and T. geminatus
Internet References
adult images and field marks (Jeff Skevington et al, Field Guide to Flower Flies of Ontario)
Distribution (The Diptera Site, USDA)