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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Tephritoidea » Fruit Flies (Tephritidae) » Tephritinae » Myopitini » Urophora » Knapweed Gall Fly (Urophora affinis)

Species Urophora affinis - Knapweed Gall Fly

Classification · Size · Range · Life Cycle · Remarks · See Also · Internet References · Works Cited
Fruit Flies Mating - Urophora affinis - male - female Fruit Fly - Urophora affinis - female Knapweed Gall Fly - Urophora affinis - male Family Tephritidae - Fruit Flies Urophora affinis - Knapweed Gall Fly - Urophora affinis - female Family Tephritidae - Fruit Flies - Urophora affinis - female Lateral - Urophora affinis - male Urophora affinis - Knapweed Gall Fly - Urophora affinis - female Fly - Urophora affinis - male
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 Myopitini
Genus Urophora
Species affinis (Knapweed Gall Fly)
Size
3-4 mm
Range
native to Europe, introduced in NA
Life Cycle
overwinters as larvae in the seedheads. Pupation is in the spring, adults emerge in mid to late spring. After mating, eggs are laid between bracts on closed flower buds.
Remarks
Introduced from Europe in 1971 to control knapweed (Centaurea spp.), commercially available in some states.
See Also
U. quadrifasciata has more extensive wing markings
Internet References
Fact sheets: by R. Lang(1), by J. Dawson(2)
Cherry fruit fly lookalikes, by Kaeb et al.
Works Cited
1.Biological control: A guide to natural enemies in North America
2.Breitenfeldt T., ed. (1999-) Montana war on weeds
Contributed by Martin Hauser on 16 October, 2006 - 6:10pm
Additional contributions by Beatriz Moisset, Vox Sciurorum, v belov
Last updated 12 October, 2016 - 7:31am

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