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Species Neotephritis finalis - Sunflower Seed Maggot

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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
Genus Neotephritis
Species finalis (Sunflower Seed Maggot)
Synonyms and other taxonomic changes
Neotephritis finalis (Loew)
Orig. Comb: Trypeta finalis Loew, 1862
Explanation of Names
finalis - Latin for 'final'
3 spp. n. of Mex. (only member of its genus in e. N. Amer.) (1)
5.5-6.5 mm (antennae to wingtips) (2)
Wings are mostly dark in apical half with six hyaline spots forming a distinct triangle
widely dist. across N. Amer. (1)
mostly: Apr-Sep (BG data)
so. CA populations are multivoltine (Goeden et al. 1987)
recorded from over 20 spp. of Asteraceae; larvae feed on immature achenes and pupariate in flower heads; commonly reared from sunflower, especially in the west (damage negligible) (Goeden et al. 1987; Arthur & Mason 1989)
Life Cycle
Immature stages described by Arthur & Mason (1989)
one of the most common fruit fly species in N. Amer.
Print References
Arthur, A.P. & P.G. Mason. 1989. Description of immature stages and notes on the biology of Neotephritis finalis (Loew) (Diptera: Tephritidae), a pest of sunflowers in Saskatchewan, Canada. The Canadian Entomologist 121: 729-735.
Goeden, R.D., T.D. Cadatal, & G.A. Cavender. 1987. Life history of Neotephritis finalis (Loew) on native Asteraceae in southern California. Proceedings Entomological Society Washington 89: 552-558.
Internet References
ATBI-GSMNP - Steck & Sutton (2002) (2)
Pest Fruit Flies of the World - Carroll et al. (2006)
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.Steck G.J., Sutton B.D. (2002) Tephritid flies of the Great Smoky Mountains National Park