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DC Ash Trees Exposed to Exotic Pest

Effective immediately, the US Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has added the District of Columbia to a federal quarantine due to Emerald Ash Borer (EAB), Agrilus planipennis. This action is in response to the detection of EAB in Allegany, Anne Arundel, and Howard Counties in Maryland. 

EAB Beatle - side viewEAB, an invasive wood boring beetle, is native to China and eastern Asia. Since its first US detection in Michigan, EAB has been responsible for the death and decline of tens of millions of US ash trees. The interstate movement of firewood from quarantine areas is an especially high-risk pathway for spreading EAB. Accordingly, the interstate movement of EAB-host wood and wood products from quarantined areas is prohibited outside accordance with applicable regulations, including firewood of all hardwood species, nursery stock, green lumber, waste, compost, and chips of ash species.

While the District of Columbia has few ash trees on public property, the District Department of Transportation’s Urban Forestry Administration (UFA) has an exotic pest monitoring program in place to identify and respond to infestations in street trees. Since a majority of ash trees within Washington, DC are located on private property and in natural riparian areas, UFA is undertaking an initiative to inform residents how to address this issue for their own trees and to stop the spread of EAB in Washington, DC. If you have questions about identifying ash trees, calculating the cost of various EAB management strategies, and homeowner treatment options for Emerald Ash Borer, please see the attached documents.

Information About Restrictions on the Movement of Firewood and the Federal Order

US Department of Agriculture - Animal and Plant Health Inspection Service (APHIS)

If you need more details on the Federal EAB regulatory program, you may contact the EAB National Program Coordinator, Paul Chaloux at (301) 734-0917.

For information on regulatory requirements for movement of quarantined articles out of the District of Columbia, please contact the APHIS State Plant Health Director, Matthew Travis at (410) 631-0073.

For information specifically related to Washington, DC homeowner tree issues, please contact the University of the District of Columbia’s Cooperative Extension Agent, Sandy Farber Bandier at (202) 274-7166.

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