bull thistle gall fly (Urophora stylata ) on bull thistle (Cirsium vulgare ) - 5358621

bull thistle gall fly
Urophora stylata (Fabricius)

Host: bull thistle (Cirsium vulgare (Savi) Ten.)
Descriptor: Adult(s)
Description: Adult seedhead gall fly (Urophora stylata), a biological control agent of bull thistle (Cirsium vulgare).
Image type: Field
Image view: Lateral / Side
Image location: United States

Photographer Information

Name: L.L. Berry
Country: United States

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Image Number: 5358621

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Image Citation:(?) L.L. Berry, Bugwood.org

Node Affiliation: Colorado State University

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Image uploaded on Friday, January 18, 2008
Image Information last updated on Tuesday, April 15, 2008