Cabbage and mustard seed-Flea beetle

Includes cabbage flea beetle (Phyllotreta cruciferae)

Pest description and crop damage A small, shiny steel-blue jumping beetle that eats round holes in leaves of wild and cultivated crucifers. It is particularly serious on seedlings.

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 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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