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Integrated Pest Management · Agriculture and Natural Resources

University of California

Fruit, nut, pod, and tuber caterpillars

Codling moth damage

Codling moth damage.

Tomato fruitworm damage

Tomato fruitworm larva and damage.

Tuberworm damage

Tuberworm damage to potatoes.

Caterpillars that attack fruits, nuts, and tubers often cause more serious damage that leaf-feeding species. They can burrow into ripening fruit and other plant parts making management difficult or impossible.  Caterpillars and their damage may not be detected until the fruit is eaten or cut open.