Christmas tree (Pine)-Pine needle scale

Chionaspis pinifoliae

Pest description and crop damage White scale flock needles. Hosts: Douglas-fir and pines. Eggs hatch May or June, perhaps July.

Management-chemical control

Apply to crawler stage.

  • bifenthrin ( OnyxPro, Sniper and others)-Restricted use. (Group 3)
  • dinotefuran (Safari 20 SG)-(Group 4)
  • horticultural oil/soap (M-Pede, Ultra-Pure Oil and others)-Some formulations are OMRI-listed for organic production.
  • sulfoxaflor (Transform WG)-(Group 4c)