* 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.
* Parrella G, Gognalons P, Gebre-Selassie K, Vovlas C, Marchoux G (2003) An update of the host range of tomato spotted wilt virus. Journal of Plant Pathology 85(4), 227-264.
* Tontou R, Giovanardi D, Facchini C, Stefani E (2013) The epiphytic life of Pseudomonas syringae pv. actinidiae on kiwifruit and other cultivated and spontaneous plants. Journal of Plant Pathology 95(4) Supplement, 66
------- non-host, but Psa may survive as an epiphyte.
* D’Urso V , Uliana M (2006) Acanalonia conica (Hemiptera, Fulgoromorpha, Acanaloniidae), a nearctic species recently introduced in Europe. Deutsche Entomologische Zeitschrift, 53(1), 103–107.
* Haapalainen M, Wang J, Latvala S, Lehtonen MT, Pirhonen M, Nissinen AI (2018) Genetic variation of ‘Candidatus Liberibacter solanacearum’ Haplotype C and identification of a novel haplotype from Trioza urticae and stinging nettle. Phytopathology 108(8), 925–934.
DOI https://doi.org/10.1094/PHYTO-12-17-0410-R
------- New haplotype (U) detected in Urtica dioica in Finland.
* Sumner-Kalkun JC, Highet F, Arnsdorf YM, Back E, Carnegie M, Madden S, Carboni S, Billaud W, Lawrence Z, Kenyon D (2020) ‘Candidatus Liberibacter solanacearum’ distribution and diversity in Scotland and the characterisation of novel haplotypes from Craspedolepta spp. (Psyllidae: Aphalaridae). Scientific Reports 10,16567 (2020). https://doi.org/10.1038/s41598-020-73382-9
------- confirmed host, haplotype U.
* Aryan A, Brader G, Mörtel J, Pastar M, Riedle-Bauer M (2014) An abundant ‘Candidatus Phytoplasma solani’ tuf b strain is associated with grapevine, stinging nettle and Hyalesthes obsoletus. European Journal of Plant Pathology 140, 213–227.
* Atanasova B, Jakovljevic M, Spasov D, Jovic J, Mitrovic M, Toševski I, Cvrkovic T (2015) The molecular epidemiology of bois noir grapevine yellows caused by 'Candidatus Phytoplasma solani' in the Republic of Macedonia. European Journal of Plant Pathology 142(4), 759-770.
* Kosovac A, Radonjić S, Hrnčić S, Krstić O, Toševski I, Jović J (2016) Molecular tracing of the transmission routes of bois noir in Mediterranean vineyards of Montenegro and experimental evidence for the epidemiological role of Vitex agnus-castus (Lamiaceae) and associated Hyalesthes obsoletus (Cixiidae). Plant Pathology 65, 285–298.
* Mori N, Quaglino F, Tessari F, Pozzebon A, Bulgari D, Casati P, Bianco PA (2014) Investigation on ‘bois noir’epidemiology in north‐eastern Italian vineyards through a multidisciplinary approach. Annals of Applied Biology 166(1), 75-89.
* Ahmed M, van de Vossenberg BTLH, Cornelisse C, Karssen G (2013) On the species status of the root–knot nematode Meloidogyne ulmi Palmisano and Ambrogioni, 2000 (Nematoda, Meloidogynidae). ZooKeys 362: 1-27.
------- confirmed host
* 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).
* Aucejo S, Foo M, Gimeno E, Gomez-Cadenas A, Monfort R, Obiol F, Prades E, Ramis M, Ripolles JL, Tirado V, Zaragoza L, Jacas JA, Martinez-Ferrer MT (2003) Management of Tetranychus urticae in citrus in Spain: acarofauna associated to weeds. Bulletin OILB/SROP, 26: 213-220.
