Terellia ruficauda (Fab.)

Plant species attacked: Canada thistle | Marsh plume thistle
Biocontrol Agent Type: Seed feeding fly
Country of Origin: The origin of the populations in BC orginated is unknown
First Released in BC: Adventive
 
Positive monitoring and/or dispersal locations in BC on Marsh plume thistle:
(click image to view larger map)
Established Terellia ruficauda on Marsh plume thistle locations
 
View the in-depth Terellia ruficauda information page here