Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Home
» Guide »
Arthropods (Arthropoda)
»
Hexapods (Hexapoda)
»
Insects (Insecta)
»
Flies (Diptera)
»
"Acalyptratae"
»
Tephritoidea
»
Fruit Flies (Tephritidae)
»
Tephritinae
»
Myopitini
»
Urophora
»
Canada Thistle Stem Gall Fly (Urophora cardui)
Photo#1220965
Copyright © 2016
MJ Hatfield
Gall on Cirsium, opened -
Urophora cardui
Wyatt Fen, Mitchell County, Iowa, USA
after 2 flies emerged
April 30, 2016: cut open the gall, 2 cells with spent puparia, 1 cell with dead larva
Images of this individual:
tag all
Contributed by
MJ Hatfield
on 8 May, 2016 - 9:43pm