Biological Control of Pests in Forests of Eastern United States




Image Number: 0580004
Subject: bull thistle gall fly
Insecta > Diptera > Tephritidae
Urophora stylata (Fab.)
Host: bull thistle
Magnoliopsida > Asterales > Asteraceae
Cirsium vulgare (Savi) Ten.
Photographer: Peter Harris, Agriculture and Agri-Food Canada
Descriptor: Larva(e)
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Image Citation:
Peter Harris, Agriculture and Agri-Food Canada,
Image Use:
This image may be copied and used, in whole or in part, for any non-profit, educational purpose provided that all reproductions bear an appropriate credit. Any commercial or other use of the image requires the written permission of the photographer and