How to Manage Pests

Pests in Gardens and Landscapes

Pest identification and confirmation—Cavity spot

Symptoms of cavity spot on roots may sometimes be confused with symptoms of flea beetle feeding. Both are characterized by irregularly shaped lesions on the roots. However, flea beetle damage can be confirmed by looking at the leaves. Flea beetles also feed on the undersides of leaves, leaving small pits or irregularly shaped holes.

Characteristic damage caused by flea beetles
Characteristic damage caused by flea beetles


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