Cooley Spruce Adelgid Scouting for 2015 at Pigeon (Report issued 7/6/2015 13:46)
Use these predictions as guidelines to help time your scouting efforts.
|First adults active; egg laying begins.
||4/14 through 5/7
|Eggs start to hatch; nymphs start to feed.
||5/9 through 5/26
|Galls start to form.
||5/17 through 5/26
Current stage: Galls visible.
Degree day total: 856 on 7/6/2015
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 and products registered for use