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Distinguishing Armyworm, Fruitworm, and Cutworm Damage

On this page
  • Armyworm damage
  • Cutworm damage
  • Tomato fruitworm damage

Armyworms, fruitworms, and cutworms eat and damage tomato fruit. To distinguish among
damage symptoms use the photos below. Names link to more information on identification
and management.

Click on photos to enlarge

Armyworm damage

Cutworm damage

Fruitworm damage

Armyworm damage
Damage of western yellowstriped armyworm or beet armyworm
Identification tip: Armyworms often feed externally on fruit, leaving relatively neat holes that usually do not contain feces, and leave shallow dry scars.

Cutworm damage
Cutworm damage
Cutworms chew on stems of young plants. On mature plants, they can also feed on fruit touching the ground.

Fruitworm damage
Tomato fruitworm damage
Identification tip: Tomato fruitworms typically feed inside the fruit, creating a water cavity contaminated with feces.

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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