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Eastern Spruce Gall Adelgid Scouting for 2013 at Pigeon (Report issued 5/21/2013 11:18)

Use these predictions as guidelines to help time your scouting efforts.
Key event Timing
First adults active; egg laying begins. 4/22 through 5/2
Egg laying. 5/2 through 5/20
Eggs hatching; nymphs feeding. Started on 5/20 and expected to continue for 33 more DD (Base 50°F)
Galls forming. Expected to start in 33 DD (Base 50°F)
Current stage: Eggs hatching; nymphs feeding; galls visible soon.

Degree day total: 300 on 5/21/2013

Treatment Guidelines for Eastern Spruce Gall Adelgid

Treatment window closed
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).

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.
List of products that may be used
Product characteristics

About Eastern Spruce Adelgid | About this model | More weather data for this station