Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Eristalis transversa - Transverse Flower Fly

female Transverse Flower Fly - Eristalis transversa - female Syrphid fly - Eristalis transversa Flower Fly - Eristalis transversa Syrphid:  Eristalis transversa? - Eristalis transversa Transverse Flower Fly - Eristalis transversa - male unknown Syrphid on Coreopsis - Eristalis transversa fly - Eristalis transversa 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)
Synonyms and other taxonomic changes
Eristalis transversa Wiedemann, 1830. Synonyms/taxonomic notes:
Eristalis transversus (spelling/gender)
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
Includes eastern North America: on lists from Ontario, North Carolina
Habitat
Fields with flowers, gardens
Season
May-October (Ontario)
Late April to mid October (other parts of Canada)
March-December (North Carolina)
Food
Adults take nectar. Larvae feed on small organisms in stagnant water.
Print References
Brimley p. 352 (1)
Marshall--photo 469.5 (2)
Internet References
North Carolina State University Entomology--common in collection, 177 pinned, including from that state
Canadian National Collection of Insects--genus Eristalis, Canadian National Collection of Insects, Plate_2a
http://bioweb.uwlax.edu/bio210/s2012/chang_kayi/reproduction.htm
Works Cited
1.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.
2.Insects: Their Natural History And Diversity: With a Photographic Guide to Insects of Eastern North America
Stephen A. Marshall. 2006. Firefly Books Ltd.