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Species Eristalis transversa - Transverse Flower Fly

Syrphid fly - Eristalis transversa - male female Transverse Flower Fly - Eristalis transversa - female Syrphid Fly - Eristalis transversa Some kind of (beautiful) fly. - Eristalis transversa Fly - Bee lookalike Flower Fly - Right side - Eristalis transversa - male very small bee/flys? male and female of same  - Eristalis transversa Epistrophe grossulariae? - Eristalis transversa Drone Fly? - Eristalis transversa
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 Eristalini
Subtribe Eristalina
Genus Eristalis
No Taxon (Subgenus Eoseristalis)
Species transversa (Transverse Flower Fly)
Explanation of Names
Eristalis transversa Wiedemann 1830
Size
9-11 mm
Identification
Thorax distinctly bicolored (gray on front half, black on rear half); scutellum bright yellow, much brighter than the pale yellow of other Eristalis species. This combination of characters is diagnostic.
Range
NS-MT south to FL-TX-UT(1)
Season
May-Oct in ON(2); Mar-Dec in NC(3)
Life Cycle
see here