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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Tephritoidea » Fruit Flies (Tephritidae) » Tephritinae » Myopitini » Urophora » Bull Thistle Gall Fly (Urophora stylata)
Photo#686215
Fruit fly - Urophora stylata - female
Copyright © 2012 John Ashley

Fruit fly - Urophora stylata - Female
Rogers Lake west of Kila, Flathead County, Montana, USA
July 13, 2012
Size: Approx. 0.25"
Always half a dozen or more of these on every thistle plant I check.
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Contributed by John Ashley on 7 August, 2012 - 2:10pm
Last updated 16 April, 2020 - 1:44am

Moved
Moved from ID Request.
… Martin Hauser, 7 August, 2012 - 5:11pm login or register to post comments

Urophora stylata…
The leaf looks like bull thistle to me. The female fly seems to match the description.

See reference here.
… Ross Hill, 7 August, 2012 - 3:24pm login or register to post comments

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