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 4 to 10 fl oz/a (0.012 to 0.031 lb ai/a). PHI 0 days. REI 4 hr. Begin applications at first sign of infestation. Multiple applications and thorough coverage are necessary for effective control. Apply every 7 to 10 days as needed. Some formulations are OMRI-listed for organic use.

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