Cabbage and mustard seed-Imported cabbageworm

Pieris rapae

Pest description and crop damage Larvae are green and very hairy with a velvet-like appearance. Caterpillars are soft, velvety green with faint yellow stripes. Adult is a white butterfly with black spots.

Management-chemical control

  • azadirachtin (Neemix 4.5) at 0.02 to 0.04 lb ai/a. PHI 0 days. Begin applications at first sign of infestation. Multiple applications and thorough coverage are necessary for effective control. Some formulations are OMRI-listed for organic use.
  • gamma cyhalothrin (Declare) at 0.0075 to 0.0125 lb ai/a. Do not apply more than 0.12 lb ai/a per season. PHI 1 day.

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