Cooley Spruce Adelgid Scouting for 2014 at Pigeon (Report issued 4/21/2014 1:16)
Use these predictions as guidelines to help time your scouting efforts.
|First adults active; egg laying begins.
||Expected to start in -6 DD (Base 50°F)
|Eggs start to hatch; nymphs start to feed.
||Expected to start in 119 DD (Base 50°F)
|Galls start to form.
||Expected to start in 169 DD(Base 50°F)
Current stage: Adults will be active soon.
Degree day total: 31
Degree day forecast: 39
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: Open
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