Detailed distribution of Cassida sanguinosa and C. leucanthemi (Coleoptera: Chrysomelidae: Cassidinae: Cassidini)
Precise distributional data of Cassida sanguinosa Suffrian, 1844, and its congener C. leucanthemi Bordy, 1995, are presented. Cassida leucanthemi is reported from Croatia, Germany, Hungary, Romania, Slovenia, Switzerland and the Ukraine for the first time. Status of C. languida Cornelius, 1851, and C. sanguinosa ab. viridissima Reitter, 1912, is clarified. Lectotype of C. languida is designated and the following new synonyms are proposed: C. prasina Illiger, 1798 = C. languida Cornelius, 1851, syn. nov., C. leucanthemi Bordy, 1995 = C. sanguinosa ab. viridissima Reitter, 1912, syn. nov. A new host plant, Leucanthemum ircutianum (Asteraceae), is recorded for C. leucanthemi.