Eastern Spruce Gall Adelgid Scouting for 2015 at Pigeon (Report issued 5/22/2015 13:31)
Use these predictions as guidelines to help time your scouting efforts.
|First adults active; egg laying begins.
||4/14 through 5/5
||Started on 5/5 and expected to continue for 5 more DD (Base 50°F)
|Eggs hatching; nymphs feeding.
||Expected to start in 5 DD (Base 50°F)
||Expected to start in 65 DD (Base 50°F)
Current stage: Eggs are hatching; nymphs start to feed.
Degree day total: 247
Treatment Guidelines for Eastern Spruce Gall 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