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Species Toxomerus geminatus

bwk 049 - Toxomerus geminatus - male Two toxomerus flies - Toxomerus geminatus - male - female Syrphid Fly - Toxomerus geminatus - male Toxomerus geminatus - male Toxomerus geminatus male - Toxomerus geminatus - male unknown fly - Toxomerus geminatus Syrphidae - Toxomerus geminatus Toxomerus geminatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Syrphinae
Tribe Toxomerini
Genus Toxomerus
Species geminatus (Toxomerus geminatus)
Synonyms and other taxonomic changes
Toxomerus geminatus (Say, 1823)
common to abundant
body length 6-7.5 mm
scutellum blackish with well-defined yellow margin; abdomen yellow with black bands that reach the margin (i.e. margin of abdomen is alternately black and yellow); tip of abdomen pointed in female, rounded in male; top of thorax dark bronzy-brown to blackish with yellow margin; wings clear; eyes large, reddish-brown; face white with thin strip projecting upward between eyes; forehead dark; antennae yellow; back of head white

For facial differences to distinguish males from females, see this image (the male is on top):
eastern North America: Quebec to Florida, west to Texas, north to Minnesota
often found visiting flowers of herbaceous plants, or sometimes resting on nearby leaves
adults from April to October or November
Life Cycle
1. Larva 2. Puparium 3. Adult male
See Also
Toxomerus marginatus is similar, but scutellum brownish, yellowish, or diffuse mix of both; abdomen with thin but continuous yellow margin
T. politus is uncommon to rare, and has distinctly different pattern of bands on abdomen
Toxomerus occidentalis is almost identical but occurs in the west, beyond the range of T. geminatus
--> compare images of all three species
Internet References
live and pinned adult images plus related species, with arrows pointing to diagnostic field marks (Jeff Skevington et al, Field Guide to Flower Flies of Ontario)
pinned adult images (Insects of Cedar Creek, Minnesota)
distribution (The Diptera Site, USDA)