UV knapweed seed head fly (Urophora quadrifasciata ) on diffuse knapweed (Centaurea diffusa ) - 5358611

UV knapweed seed head fly
Urophora quadrifasciata (Meigen, 1826)

Host: diffuse knapweed (Centaurea diffusa Lam.)
Descriptor: Adult(s)
Description: Female seedhead gall fly (Urophora quadrifasciata), a biological control agent of diffuse knapweed (Centaurea diffusa), on a knapweed flower bud.
Image type: Field
Subject Gender: Female
Image view: Lateral / Side
Image location: United States

Specimen Information

Specimen in collection: No
Specimen Condition:
Identification Method:

Photographer Information

Name: L.L. Berry
Country: United States

More Images:

Image Number: 5358611

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Image Use:(?) You must attribute the work in the manner specified (but not in any way that suggests endorsement).

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