How to Manage Pests

Pests in Gardens and Landscapes

Raspberry sawfly—Monophadnoides geniculatus

Larvae are up to 0.67 inch long with smooth, pale green bodies with dark brown stripes down their backs. They are often in groups on the undersides of leaves. Adults are small, thick-bodied wasps.

Life cycle


Small holes appear in leaves and increase in size in May and June until only the veins remain, the leaves becoming skeletonized.


Handpick and destroy infested leaves. The raspberry sawfly does not generally warrant further control unless plants are threatened with defoliation.

Raspberry sawfly adult
Raspberry sawfly adult

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