Species of the genus Mimastra Baly, 1865 with unmodified first protarsomere in male and black or metallic bands on elytra are reviewed and keyed. Four new species are described as new to science: M. hsuehleeae sp. nov. (Taiwan), M. laotica sp. nov. (Laos), M. fouqueorum sp. nov. (Thailand) and M. schneideri sp. nov. (Thailand). Mimastra modesta Fairmaire, 1889, M. birmanica Bryant, 1954 and M. tenuelimbata Lopatin, 2004 are redescribed. Mimastra grahami Gressitt Kimoto, 1963 is resurrected from synonymy with M. malvi Chen, 1942. The status of Mimastra kremitovskyi Bezděk, 2009 is discussed. Colour photos of habitus, drawings of genitalia and identification key are presented.