Abstract
In this study, five new species of the leaf-beetle genus Monolepta Chevrolat, 1836 (Coleoptera, Chrysomelidae, Galerucinae) are described from China: M.albipunctata sp. nov., M.alticola sp. nov., M.bivittata sp. nov., M.mengsongensis sp. nov., and M.rubripennis sp. nov. A key and catalogue to the 68 Chinese species of Monolepta with the second and third antennomeres of equal length are given as well as photographs of the habitus and aedeagus of the new species and type habitus images of 37 known species.