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Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Beetles, bugs, ants, and other insects without obvious wings - 1/4 inch - 1/2 inch long > Raspberry cane borer

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Raspberry cane borer

Oberea bimaculata

Raspberry cane borer

Jeff Hahn, University of Minnesota

Size: 1/2 inch long

Where/When: Found in cane and twigs of raspberry, blackberry, and fruit trees. Adults are active in June.

Significance: Affected canes wilt and die.

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