Jan Bezděk, Ph.D. (1974), is an Associate Professor at Mendel University in Brno. He has published over 160 papers on taxonomy and nomenclature of Chrysomelidae. Lukáš Sekerka, Ph.D. (1983), is head of the Department of Entomology at Národní muzeum in Prague. He has published over 70 papers, mainly on taxonomy and nomenclature of Cassidinae.