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Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Species Eristalis transversa - Transverse Flower Fly

FlyB - Eristalis transversa - female Eristalis transervus - Eristalis transversa - male Syrphid, Eristalis transversa. - Eristalis transversa - female Syrphid #3 Eristalis tenax? - Eristalis transversa Drone Fly - Eristalis transversa - male unkown syrphid fly - bee fly? - Eristalis transversa - female Flower fly (Hover fly) Eristalis arbustorum? - Eristalis transversa Eristalis transversa - male
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
Lays eggs into various environments where food sources are plentiful. Some lay their eggs into beetles; after hatching, the larvae then feed on the beetle's eggs.
see here
Internet References