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Species Tritoxa flexa - Black Onion Fly

Tritoxa ? - Tritoxa flexa Mating Black Onion Flies For Illinois In August - Tritoxa flexa - male - female black picture wing - Tritoxa flexa no clue - Tritoxa flexa Ulidiidae, Tritoxa flexa, black onion fly - Tritoxa flexa Black Onion Fly - Tritoxa flexa fly - Tritoxa flexa Black-and-white-winged flies - Tritoxa flexa - male - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Tephritoidea
Family Ulidiidae (Picture-winged Flies)
Subfamily Otitinae
Tribe Cephaliini
Genus Tritoxa
Species flexa (Black Onion Fly)
Size
circa 6-7 mm
Identification
Bold wing pattern and very dark--black.
Range
Much of North America.
Life Cycle
Tritoxa flexa is known as the "Black Onion Fly" and is associated with cultivated garlic.
Print References
Marshall, color photograph--496.5 (1)
Lutz, illustrates T. flexa, 1st ed., plate LXXI, 3rd. ed., plate 54, size bar indicates length circa 8 mm. (2)
Swan and Papp, pg. 624, fig. 1339, illustrate T. flexa, give size as 0.25 inches, or 6.4 mm (3)
Internet References
North Carolina State Entomology Collection lists two species, both occurring in that state, with number pinned: T. flexa (21), T. incurva (64).
Preliminary Checklist of Minnesota Diptera lists T. flexa and T. incurva.
Works Cited
1.Insects: Their Natural History And Diversity: With a Photographic Guide to Insects of Eastern North America
Stephen A. Marshall. 2006. Firefly Books Ltd.
2.Field Book of Insects of the United States and Canada, Aiming to Answer Common Questions,
Frank Eugene Lutz. 1935. Putnam Pub Group.
3.The Common Insects of North America
Lester A. Swan, Charles S. Papp. 1972. Harper & Row.