EmeraldAshBorer041518-3 Emerald ash borer tunnels seen under the bark of an ash tree. (Courtesy of the Maine Forest Service) Emerald ash borer tunnels seen under the bark of an ash tree. (Courtesy of the Maine Forest Service) Maine slows spread of Emerald Ash Borer with continued ash movement restrictions Contributed • February 26, 2021 The Maine Department of Agriculture, Conservation and Forestry's Plant Health Program and Maine Forest Service announced that Maine is taking the next step to continue regulating the movement of ash wood material. AUGUSTA, Maine – The Maine Department of Agriculture, Conservation and Forestry’s Plant Health Program and Maine Forest Service announced that Maine is taking the next step to continue regulating the movement of ash wood material.