* Clark SM, LeDoux DG, Seeno TN, Riley EG, Gilbert AJ, Sullivan JM (2004) Host plants of leaf beetle species occurring in the United States and Canada (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae). Coleopterists Society, Special Publication 2, 615 pp.
------- Adult host.
* Goodey JB, Franklin MT, Hooper DJ (1965) T. Goodey's: The Nematode Parasites of Plants Catalogued Under Their Hosts. Commonwealth Agricultural Bureaux, Farnham Royal, Bucks, England. Third edition, 214 pp.
* Berger J, Schweigkofler W, Kerschbamer C, Roschatt C, Dalla Via J, Baric S (2009) Occurrence of 'stolbur' phytoplasma in the vector Hyalesthes obsoletus , herbaceous host plants and grapevine in South Tyrol (Northern Italy). Vitis 48, 185-192.
* 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 (weed).
* Wenneker M, Verdel M, Groeneveld R, Kempenaar C, van Beuningen AR, Janse JD (1999) Ralstonia (Pseudomonas) solanacearum Race 3 (Biovar 2) in surface water and natural weed hosts: first report on stinging nettle (Urtica dioica). European Journal of Plant Pathology 105, 307–315.
* Cruz L, Eloy M, Quirino F, Oliveira H, Tenreiro R (2012) Molecular epidemiology of Ralstonia solanacearum strains from plants and environmental sources in Portugal. European Journal of Plant Pathology 133, 687–706 https://doi.org/10.1007/s10658-012-9947-y
* Cruz L, Eloy M, Quirino F, Oliveira H, Tenreiro R (2012) Molecular epidemiology of Ralstonia solanacearum strains from plants and environmental sources in Portugal. European Journal of Plant Pathology 133, 687–706 https://doi.org/10.1007/s10658-012-9947-y
* Wenneker M, Verdel M, Groeneveld R, Kempenaar C, van Beuningen AR, Janse JD (1999) Ralstonia (Pseudomonas) solanacearum Race 3 (Biovar 2) in surface water and natural weed hosts: first report on stinging nettle (Urtica dioica). European Journal of Plant Pathology 105, 307–315.
