Infestation Location & Management Zones
Generally infested area
Emerald ash borer is in this zone, though not necessarily in all ash trees.
Potential expansion area
Emerald ash borer isn't known to be in the area, but the area is within 10 miles of the outer limits of the known infestation. There is a high probability emerald ash borer will spread naturally to this zone within a few years.
Emerald ash borer isn't known to be in the area and it is more than 10 miles from the known infestation.
Emerald Ash Borer
Emerald Ash Borer (EAB) was found in Concord in March 2013, and the list of towns with known infestations continues to grow. As a non-native insect, EAB lacks predators to keep it in check. EAB attacks ash trees and infested trees die within 3 to 5 years. Help protect New Hampshire's ash trees. A quarantine of all hardwood firewood, ash wood-products and all ash nursery stock is in effect for Hillsborough, Merrimack, and Rockingham counties.
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