* EFSA (2024) Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2023. EFSA Journal 22, e8898. https://efsa.onlinelibrary.wiley.com/doi/epdf/10.2903/j.efsa.2024.8898
------- Xylella fastidiosa subsp. multiplex.
* EFSA (2024) Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2023. EFSA Journal 22, e8898. https://efsa.onlinelibrary.wiley.com/doi/epdf/10.2903/j.efsa.2024.8898
------- Xylella fastidiosa subsp. multiplex.
* Fleming WE (1972) Biology of the Japanese beetle. Technical Bulletin, Agricultural Research Service, USDA no 1449, 129 pp.
* INTERNET
Regione Piemonte. Servizio fitosanitario. Lotte obbligatorie - Coleottero scarabeide del Giappone (Popillia japonica Newman). Popillia danni e difesa. https://www.regione.piemonte.it/web/sites/default/files/media/documenti/2019-06/popillia_danni_difesa.pdf
------- Attractive plant for the pest but without economic or ornamental relevance (invasive alien plant, weed).