Cabbage seedpod weevil

This crop insect causes extensive damage to Brassicaceae crops like canola.

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Cabbage seedpod weevil


The cabbage seedpod weevil (Ceutorhynchus obstrictus) was introduced to North America from Europe about 70 years ago. Cabbage seedpod weevil was first found infesting canola in southern Alberta in 1995. Since then, the weevil has spread to central Alberta and southwestern Saskatchewan. In 2000, it was found in Quebec for the first time.

Find out about this weevil’s lifecycle, crop damage, control, monitoring and best management practices.

Photo of a Cabbage seedpod weevil
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