Dryocosmus kuriphilus(DRYCKU)
Distribution details in Canada
Current pest situation evaluated by EPPO on the basis of information dated
2012: Present, few occurrences
From CABI Pest map 677 (2023): Present, few occurrences
From CABI Pest map 677 (2023): Present, few occurrences
 First found on a Castanea mollissima tree  in Niagara-on-the-Lake, Ontario in June 2012.
* Huber JT, Read J (2012) First record of the Oriental chestnut gall wasp, Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae) in Canada. JESO 143, 125-128.
| Country | State | Status | |
|---|---|---|---|
| United States of America | North Carolina | Present, restricted distribution | |
| United States of America | Alabama | Present, restricted distribution | |
| United States of America | New Jersey | Present, restricted distribution | |
| United States of America | Michigan | Present, restricted distribution | |
| United States of America | Massachusetts | Present, restricted distribution | |
| United States of America | Georgia | Present, restricted distribution | |
| United States of America | Maryland | Present, restricted distribution | |
| United States of America | Pennsylvania | Present, restricted distribution | |
| United States of America | West Virginia | Present, restricted distribution | |
| United States of America | South Carolina | Present, restricted distribution | |
| United States of America | Kentucky | Present, restricted distribution | |
| United States of America | Connecticut | Present, restricted distribution | |
| United States of America | New York | Present, restricted distribution | |
| United States of America | Present, restricted distribution | ||
| United States of America | Delaware | Present, restricted distribution | |
| United States of America | Ohio | Present, restricted distribution | |
| United States of America | Tennessee | Present, restricted distribution | |
| United States of America | Virginia | Present, restricted distribution | 
