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Cutworm Photo Identification

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  • Pest Type: Insect
  • Crops Affected: Peanuts
  • Scientific Name: Agrotis ipsilon
  • Pest Order: Lepidoptera
Damage
Damage is usually inflicted at night. Seedlings are cut off at ground level, leaves are cut off at the base of the petioles, or leaves are eaten. Weather conditions help determine the extent of cutworm infestations from year to year. Cutworms can destroy from 5% to 50% of a crop in a given year.

Life Cycle
Eggs are laid singly or in samll groups on cotton plants or in cracks in the ground and hatch after 5 days. All larval stages live in the soil but emerge, usually at night to feed. After at least two weeks, the larvae pupate in the soil and diapause can often occur at this stage. Moths normally emerge from their pupal cases in one to eight weeks.



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