Cylas formicarius(CYLAFO)
Distribution details in Japan (Honshu)
Current pest situation evaluated by EPPO on the basis of information dated
2023: Present, restricted distribution
From CABI Pest map 278 (2004): Present, no details
From CABI Pest map 278 (2004): Present, no details
The sweet potato weevil was present only in some parts of Southwestern Islands and Ogasawara Islands until October 2022 when it was found in Hamamatsu city (Shizuoka prefecture). Control measures have been implemented in this area (prohibition to grow host plants, restrictions on the movement of host plants and surveys).
* IPPC website. Official Pest Reports – Japan (JPN-10/1 of 2023-03-16) Report of Sweet potato weevil（Cylas formicarius）in Japan. https://www.ippc.int/fr/countries/japan/pestreports/2023/03/report-of-sweet-potato-weevilcylas-formicariusin-japan/