Pinus strobi
Pest description and crop damage 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 (Brigade, OnyxPro, Sniper and others)-Restricted use pesticide. (Group 3)
- chlorpyrifos (Lorsban Advanced, Warhawk and others)-Apply to control crawler stage around bud break. (Group 1)
- cyclaniliprole (Sarisa)-(Group 28)
- cyclaniliprole (Group 28) + flonicamid (Group 29)-Pradia
- dinotefuran (Safari 20 SG)-Check registration status at time of application. (Group 4)
- imidacloprid (Admire Pro, Prey 1.6 and others)-Apply to control crawler stage around bud break. (Group 4)
- sucrose octanoate (SucraShield and others)-Some formulations are OMRI-listed for organic production.
- thiamethoxam (Flagship 25 WG)-(Group 4)