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For Insects, Spiders & Their Kin
For the United States & Canada
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Species Eristalis transversa - Transverse Flower Fly

Flower fly - Eristalis transversa - female Transverse Flower Fly - Eristalis transversa - female Syrphid on daisy - Eristalis transversa - female Syrphid fly for ID - Eristalis transversa - male Eristalis transversa - Female - Eristalis transversa - female Transverse Flower Fly - Eristalis transversa - female Syrphidae - but which one? - Eristalis transversa Syrphid fly - Eristalis transversa
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
9-11 mm
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.
NS-MT south to FL-TX-UT(1)
May-Oct in ON(2); Mar-Dec in NC(3)
Life Cycle
see here