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Species Trupanea nigricornis

Tep*hritis, right? Nope - Trupanea nigricornis Fruit Fly, 3 of 3 - Trupanea nigricornis - female fly - Trupanea nigricornis fly - Trupanea nigricornis Tupanea(?) on brittlebush - Trupanea nigricornis - female Trupanea bisetosa? - Trupanea nigricornis Trupanea bisetosa? - Trupanea nigricornis Member of a provisioned wasp nest in a hollow stem - Trupanea nigricornis - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Tephritoidea
Family Tephritidae (Fruit Flies)
Subfamily Tephritinae
Tribe Tephritini
No Taxon (Tephritis group)
Genus Trupanea
Species nigricornis (Trupanea nigricornis)
Explanation of Names
Trupanea nigricornis (Coquillett, 1899)
Identification
The dark "Y"-shaped infuscation at the wing apex has a narrow base in T. nigricornis (i.e. about equal to the widths of the "arms" of the "Y"...as opposed to about twice as wide as those arms in T. bisetosa). Also, the tip of the antenna (i.e the flagellomere) is dark (blackish) in T. nigricornis in accord with the meaning of its specific epithet (nigri- = black; cornis = horn). For more details, see Cavender & Goeden(1983) in "Print References" below.
Range
Rocky Mountains west to Pacific coast(1)
Life Cycle
Polyphagous larval seed predators in flowerheads(2)
See Also
T. bisetosa is very similar, but both males and females in that species have yellow antennae, and the base of the dark apical "Y" on the wing is wider.
Print References
Cavender, G. L., and R. D. Goeden (1983). On distinguishing Trupanea bisetosa (Coquillett) from T. nigricornis (Coquillett) (Diptera: Tephritidae). Proc. Entomol. Soc. Wash. 85: 275-281 (Full Text)
Goeden, R. D. (1985). Host-plant relations of Trupanea ssp. (Diptera: Tephritidae) in southern California. Proc. Entomol. Soc. Wash. 87(3): 564-571 (Full Text)
Goeden, R. D. (1992). Analysis of known and new host records for Trupanea from California (Diptera: Tephritidae). Proc. Entomol. Soc. Wash. 94(1), 1992, pp. 107-118 (Full Text)
Knio, K. M., R. D. Goeden, & D. H. Headrick. (1996a). Descriptions of Immature Stages of Trupanea nigricornis and T. bisetosa (Diptera: Tephritidae) from Southern California. Ann. Entomol. Soc. Am. 89(1): 1-11 (Full Text)
Knio, K. M., R. D. Goeden, & D. H. Headrick. (1996b). Comparative Biologies of the Cryptic, Sympatric Species, Trupanea bisetosa and T. nigricornis (Diptera: Tephritidae) in Southern California. Ann. Entomol. Soc. Am. 89(2): 252-260 (Full Text)
Knio, K. M., R. D. Goeden, & D. H. Headrick. (2007a). Natural enemies of the cryptic and sympatric species, Trupanea nigricornis (Coquillett), a polyphage, and the narrowly oligophagous T. bisetosa (Coquillett) (Diptera : Tephritidae). Proc. Entomol. Soc. Wash. 109(1):187-197 (Full Text)
Knio, K. M., R. D. Goeden, & D. H. Headrick. (2007b). Genetic differentiation between the sibling and sympatric flower-head infesting tephritids: The polyphage, Trupanea nigricornis (Coquillett), and the narrowly oligophagous, T. bisetosa (Coquillett)(Diptera: Tephritidae). Proc. Entomol. Soc. Wash. 109(2):295-308 (Full Text)
Knio, K. M., R. D. Goeden, & D. H. Headrick. (2007c). Fecundity and longevity of the sibling and sympatric species, Trupanea nigricornis (Coquillett), a polyphage, and the narrowly oligophagous T. bisetosa (Coquillett)(Diptera: Tephritidae). Proc. Entomol. Soc. Wash. 109(3):579-595 (Full Text)
Works Cited
1.Handbook of the Fruit Flies (Diptera: Tephritidae) of America North of Mexico
Richard H. Foote, P. L. Blanc, Allen L. Norrbom. 1993. Cornell University Press (Comstock Publishing).
2.Seed Predation in Wild Populations of Chamisso Arnica (Arnica chamissonis Less: Asteraceae) and New Host Records for Campiglossa
Robert L. Johnson, Val J. Anderson, Adam T. Yankee, and Zachary Anderson. 2017. Western North American Naturalist.