Raspberry Cane Borers: Prune Out Affected Canes, Destroy

Raspberry new shoots wilt; white worms inside stems, centers black and hollow.

Cause: Cane Borers

Flies and beetles bore into canes. Not severe pests.

Management

• Prune out affected canes
• Destroy by burning or shredding
• Healthy plants outgrow problem

Resource

UMN raspberry pest guide