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