Cabbage and mustard seed-Cabbage seedpod weevil

Ceutorhynchus assimilis

Pest description and crop damage Small, dark-gray snout beetles that congregate on blooms. Larvae feed on seeds inside pods.

Management-chemical control

  • azadirachtin (Neemix 4.5) at 7 to 16 fl oz/a (0.021 to 0.049 lb ai/a). PHI 0 days. REI 4 hr. Begin application at first sign of infestation. Multiple applications and thorough coverage are necessary for effective control. Apply every 7 to 10 days as needed. This botanical pesticide acts slowly. Spray early, well before harvest, and check for effect. Some formulations are OMRI-listed for organic use.