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Invasive Plant Program

Botanophila seneciella (Meade)

Plant species attacked: Tansy ragwort
Biocontrol Agent Type: Seed feeding fly
Country of Origin: Canadian populations came from French stock reared in California
First Released in BC: 1968
Click on image to view larger photo: Botanophila seneciella puparia in tansy ragwort seedhead
Positive monitoring and/or dispersal locations in BC on Tansy ragwort:
(click image to view larger map)
Established Botanophila seneciella on Tansy ragwort locations
View the in-depth Botanophila seneciella information page here

"Healthy, functioning BC ecosystems, free of the impacts of invasive plants."