Pissodes strobi
Pest description and crop damage A small brown weevil, roughly 0.25-inch-long, with the snout typical of other weevils. Wing covers have irregular patches of brown and white scales. Important pest of spruce and pine, occasionally a pest of Douglas-fir.
Management-chemical control
Apply to the tops to control egg-laying weevils as weather warms in spring. Several applications 3 to 4 weeks apart may be necessary.
- bifenthrin (OnyxPro, Sniper and others) (Group 3A)-Restricted use pesticide
- phosmet (Imidan 70W) (Group 1B)
Spruce