Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Urophora jaceana - Brown Knapweed Gall Fly

Mating Flies With Stripped Wings - Urophora jaceana Mating Flies With Stripped Wings - Urophora jaceana Urophora jaceana
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 jaceana (Brown Knapweed Gall Fly)
Explanation of Names
Urophora jaceana Hering 1935
Native to Europe, accidentally introduced to Maritime Provinces (1923)(1), intentionally introduced to BC(2)
Brown knapweed (Centaurea jaceae), Black knapweed (C. nigra), possibly other members of genus
Life Cycle
Overwinters as larva in gall
Internet References
Fact sheets by Pendleton & Pendleton, anon.(2)