In the Homoneura (Homoneura) picta group, H. (H.) dahanshanensis Liu & Shi, sp. nov. is described as new to science and H. (H.) picta (de Meijere, 1904) is supplemented with detailed descriptions of significant intraspecific variations in abdominal striping patterns and structures of the syntergosternite and hypandrial apodeme. Photographic illustrations of these variations are also provided. A key to the 7 species of the group in China is presented.