Cooley Spruce Adelgid Scouting for 2014 at Pigeon (Report issued 12/20/2014 20:03)
Use these predictions as guidelines to help time your scouting efforts.
Missing degree day data for dates: 2014-07-09
|First adults active; egg laying begins.
||4/20 through 5/12
|Eggs start to hatch; nymphs start to feed.
||5/18 through 5/31
|Galls start to form.
||5/24 through 5/31
Current stage: Galls visible.
Degree day total: 2226
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