Ceryngier, Piotr, et al. “Population of the Invasive Harlequin Ladybird Harmonia Axyridis (Coleoptera: Coccinellidae) from Pelješac Peninsula, Southern Croatia”. Studia Ecologiae Et Bioethicae, vol. 11, no. 4, Dec. 2013, pp. 79-91, doi:10.21697/seb.2013.11.4.06.