Cooley Spruce Adelgid Scouting for 2014 at Pigeon (Report issued 3/11/2014 17:07)
Use these predictions as guidelines to help time your scouting efforts.
|First adults active; egg laying begins.
||Expected to start in 25 DD (Base 50°F)
|Eggs start to hatch; nymphs start to feed.
||Expected to start in 150 DD (Base 50°F)
|Galls start to form.
||Expected to start in 200 DD(Base 50°F)
Current stage: Adults are not yet active.
Degree day total: 0
Treatment Guidelines for Cooley Spruce AdelgidSoil Drench Treatment Window: Closed
NURSERY AND LANDSCAPE ONLY: If galls were a problem the previous year,
apply a basal soil drench of imidacloprid or clothianidin in early spring (between 40 and 80 DD Base 50F).Spring Foliar Treatment Window: Closed
If galls were a problem the previous year,
apply an insecticide as foliar spray when the DD Base 50 F total is between 25 and 120.
Christmas tree insecticide recommendations
Products registered for use in Christmas trees