Cylas formicarius(CYLAFO)
Distribution details in Japan (Ryukyu Archipelago)
Current pest situation evaluated by EPPO on the basis of information dated
2026: Present, no details
From CABI Pest map 278 (2004): Present, no details
From CABI Pest map 278 (2004): Present, no details
IICA Caraphin Report, Jan-Jun 1994.
Eradicated from Kume Island in 2022.
Eradicated from Kume Island in 2022.
* Himuro C, Kohama T, Matsuyama T, Sadoyama Y, Kawamura F, Honma A, Ikegawa Y, Haraguchi D (2022) First case of successful eradication of the sweet potato weevil, Cylas formicarius (Fabricius), using the sterile insect technique. PLoS One 17(5), e0267728.
* Kawamura, K.; Toyoda, H.; Sugimoto, T. (2003) Memoirs of the Faculty of Agriculture of Kinki University 36, 13-19.
* Masaki, S.; Mizuno, T.; Toubaru, K.; Sasaki, M.; Kobayashi, K.; Kaneda, M. (2002) Research Bulletin of the Plant Protection Service, Japan 38, 39-43.
* Sasaki, M.; Adachi, H.; Gaja, T. (2002) Research Bulletin of the Plant Protection Service, Japan No.38, 81-85.
* Shimizu Y, Haraguchi D, Awaguni Y, Himuro C (2026) Successful control in the first recapture of the sweet potato weevil Cylas formicarius (Coleoptera: Brentidae) since its eradication from Kume Island, Japan. Applied Entomology and Zoology. https://doi.org/10.1007/s13355-026-00959-7
* Kawamura, K.; Toyoda, H.; Sugimoto, T. (2003) Memoirs of the Faculty of Agriculture of Kinki University 36, 13-19.
* Masaki, S.; Mizuno, T.; Toubaru, K.; Sasaki, M.; Kobayashi, K.; Kaneda, M. (2002) Research Bulletin of the Plant Protection Service, Japan 38, 39-43.
* Sasaki, M.; Adachi, H.; Gaja, T. (2002) Research Bulletin of the Plant Protection Service, Japan No.38, 81-85.
* Shimizu Y, Haraguchi D, Awaguni Y, Himuro C (2026) Successful control in the first recapture of the sweet potato weevil Cylas formicarius (Coleoptera: Brentidae) since its eradication from Kume Island, Japan. Applied Entomology and Zoology. https://doi.org/10.1007/s13355-026-00959-7