Christmas tree (Pine)-Black pineleaf scale

Nuculaspis californica

Pest description and crop damage Gray-black scale.

Management-chemical control

  • azadirachtin (AzaDirect and others)-Some formulations are OMRI-listed for organic production.
  • chlorpyrifos (Lorsban Advanced, Warhawk and others)-Restricted use pesticide. (Group 1)
  • dinotefuran (Safari 20 SG)-Check registration status at time of application. (Group 4)
  • horticultural oil/soap (M-Pede and others)-Some formulations are OMRI-listed for organic production.