Canada Thistle Gall Fly Urophora cardui (Linnaeus, 1758)Non-nativeSynonyms: Canada Thistle Stem Gall Fly.
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Diptera   >   Family Tephritidae   >   Genus Urophora   

Status:

Native to Europe. Introduced to control Canada Thistle.

Description:

Forms stem galls.

There are 6 records in the project database.

GAALWAFRCLMOHO BA BC HACEPGAA CVCHSMKEQACNTADOWISOWO
A Canada Thistle Gall Fly in Baltimore City, Maryland (5/24/2007). Photo by Thomas Wilson. (MBP list)

A Canada Thistle Gall Fly in Howard Co., Maryland (5/17/2014). Photo by Richard Orr. (MBP list)

Canada Thistle Gall Fly in Baltimore Co., Maryland (5/23/2016). Photo by Wendy J. Alexander, Ph.D. (MBP list)

Canada Thistle Gall Fly gall in Anne Arundel Co., Maryland (6/16/2017). Photo by Bill Hubick. (MBP list)

A Canada Thistle Gall Fly gall in Baltimore City, Maryland (8/13/2016). Photo by Bill Hubick. (MBP list)

The gall of a Canada Thistle Gall Fly on Canada Thistle in Baltimore City, Maryland (6/18/2007). Determined by Boris B�che/BugGuide. Photo by Thomas Wilson. (MBP list)


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