Christmas tree-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. Traditionally thought to infest only Douglas-fir, yet has been found on various true firs as well in recent years including Nordmann, noble and Turkish firs.

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