Cooley Spruce Adelgid Scouting for 2013 at Pigeon (Report issued 12/10/2013 23:47)
Use these predictions as guidelines to help time your scouting efforts.
Missing degree day data for dates: 2013-12-04 - 2013-12-09
|First adults active; egg laying begins.
||4/22 through 5/3
|Eggs start to hatch; nymphs start to feed.
||5/6 through 5/26
|Galls start to form.
||5/15 through 5/26
Current stage: Galls visible.
Degree day total: 2476
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