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Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Caterpillars, maggots, grubs, and similar immature insects - 1/4 inch - 1/2 inch long > Imported cabbageworm

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Imported cabbageworm

Artogeia rapae

Imported cabbageworm

Whitney Cranshaw, Colorado State University,

Imported cabbageworm

Russ Ottens, University of Georgia,

Size: Up to 1 inch long

Where/When: The larva prefers cole crops, such as cabbage, cauliflower, broccoli, kale, rutabaga, radishes, turnips, collards, horseradish, and other crucifers. The larva is active from June until the end of the growing season.

Significance: Damage may result in stunted growth; reduced yield; death of young seedlings; and malformation of cabbage, broccoli or cauliflower.

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