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: 1380 on 8/2/2015
Degree day forecast: 1483 on 8/9/2015