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TaxonomyBrowse
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Species Tropidia quadrata

Syrphid - Tropidia quadrata Syrphid Fly - Tropidia quadrata - male Tropidia quadrata Tropidia quadrata Fly on Spurge - Tropidia quadrata id this bug? - Tropidia quadrata - male Syrphid - Tropidia quadrata - male which fly am I? - Tropidia quadrata - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Eristalinae
Tribe Milesiini
Subtribe Tropidiina
Genus Tropidia
Species quadrata (Tropidia quadrata)
Explanation of Names
Tropidia quadrata (Say 1824)
Identification
Tip of abdomen is usually downcurved, and there's a large tooth on hind femur.
Range
NA, transcontinental (NF-BC to NC-CA)(1)
Remarks
These flies will hover in place, then fly quickly away, then return to the original area, as if on territory.
Internet References