Two new species of the genus Melixanthus Suffrian (Coleoptera, Chrysomelidae, Cryptocephalinae) from China

Two new species of the genus Melixanthus Suffrian, 1854 are described from China: M. menglaensis Duan, Wang & Zhou, sp. nov. from Yunnan (also in Vietnam, Tonkin) and M. similibimaculicollis Duan, Wang & Zhou, sp. nov. from Yunnan. One species M. rufiventris Pic, 1926 is reported for the first time in China. High quality color images and line drawings of adult habitus, aedeagus and other important structures are provided for the new species and the new country record species. All the types of the new species are deposited in the collection of Institute of Zoology, Chinese Academy of Sciences (IZ-CAS).