How to Manage Pests

Pests in Gardens and Landscapes

Seasonal development and life cycle—Raspberry sawfly

Adult sawflies emerge from the soil in April or May and insert eggs in leaf tissue. Larvae feed until June and then drop to the ground and pupate in the soil. There is only one generation per year.

Raspberry sawfly larva
Raspberry sawfly larva

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

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