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Tree Pests: Emerald Ash Borer

Track EAB activity for 2020

Statewide for 2020, EAB activity is now declining. However, symptoms such as bark flecking and epicormic sprouting will continue to show up on infested trees.

Map of Emerald Ash Borer Degree Days Emergence and Peak Activity, Jan. 1 to June 29, 2020. Download a PDF of this map

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