Biblio reference: Alien Auchenorryncha (Insecta, Hemiptera: Fulgoromorpha and Cicadomorpha) to BulgariaTaxon reference: Metcalfa pruinosaRegion reference: Северно Черноморско крайбрежиеPlace: Ботаническа градина, БалчикDate: Monday, July 25, 2011