“Metcalfa Pruinosa (Say) (Auchenorrhyncha Flatidae) Infestation in the Province of Piacenza (Emilia-Romagna)”. 2024. Bollettino Di Zoologia Agraria E Bachicoltura 21 (October): 203-5. https://test-ojs-unimi-it.archicoop.it/index.php/bzab/article/view/26816.