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How to Manage Pests

Pests in Gardens and Landscapes

Seasonal development and life cycle—Raspberry crown borer

Raspberry crown borer requires 2 years to complete one generation. Adults emerge from the crown area in late summer and lay eggs on leaves and stems. Larvae penetrate the bark and remain there through winter. Feeding occurs inside canes and crown area during the next two growing seasons.

Raspberry crown borer larvae
Raspberry crown borer larvae

Statewide IPM Program, Agriculture and Natural Resources, University of California
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