Pinus strobi
Pest description and crop dam Appear as white, woolly mass on trunk or stem. May severely distort new growth.
See table:
Hosts and Symptoms of Major Aphid and Adelgid Pests of Christmas Trees
Management-chemical control
- bifenthrin (OnyxPro, Sniper and others) (Group 3A)-Restricted use pesticide
- cyantraniliprole (Mainspring GNL) (Group 28)
- cyclaniliprole (Sarisa and others) (Group 28)
- cyclaniliprole + flonicamid (Pradia) (Group 28 + Group 29)
- dinotefuran (Safari 20 SG) (Group 4A)
- imidacloprid (Montana, Nuprid 4F and others) (Group 4A)-Apply to control crawler stage around bud break.
- thiamethoxam (Flagship 25 WG) (Group 4A)