Rhinocyllus conicus (Froel.)

Plant species attacked: Bull thistle | Canada thistle | Marsh plume thistle | Nodding thistle | Plumeless thistle | Scotch thistle
Biocontrol Agent Type: Seed feeding beetle (weevil)
Country of Origin: The populations released in BC orginated in France
First Released in BC: 1988
Click on image to view larger photo: Rhinocyllus conicus larva Rhinocyllus conicus adult
 
Positive monitoring and/or dispersal locations in BC on Bull thistle, Canada thistle, Marsh plume thistle, Nodding thistle, Plumeless thistle:
(click image to view larger map)
Established Rhinocyllus conicus on Bull thistle locations Established Rhinocyllus conicus on Canada thistle locations Established Rhinocyllus conicus on Marsh plume thistle locations Established Rhinocyllus conicus on Nodding thistle locations Established Rhinocyllus conicus on Plumeless thistle locations
 
View the in-depth Rhinocyllus conicus information page here