Christmas tree (Douglas-fir)-Douglas-fir twig weevil

Cylindrocopturus furnissi

Pest description and crop damage Small gray-black weevil with white mottling, sometimes with pink or orange spots. It may kill small branches and sometimes small trees.

Management-cultural control

Keep trees healthy. Remove and burn infested twigs. Avoid planting on drought-prone or wet sites. Frequently, cultural control provides the only practical option available.

Management-chemical control

  • bifenthrin (Brigade, OnyxPro, Sniper and others)-Restricted use pesticide. (Group 3)
  • esfenvalerate (Asana XL and others)-Restricted use pesticide. (Group 3)