May 28, 2020
United States
- Alaska
- California
- Connecticut
- Delaware
- District of Columbia
- Georgia
- Idaho
- Kentucky
- Maine
- Maryland
- Massachusetts
- Michigan
- Montana
- New Hampshire
- New Jersey
- New York
- North Carolina
- Ohio
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- Tennessee
- Vermont
- Virginia
- Washington
- West Virginia
Canada
- British Columbia: The entire province
- Nova Scotia: The entire counties of Digby, Queens, Shelburne, Yarmouth and Annapolis
- Ontario: the entire city of Niagara Falls and the township of Wainfleet
For a map and complete description of the Hemlock woolly adelgid regulated area please refer to The Hemlock woolly adelgid Infested Places Order. Contact your local CFIA office for more information.