The leafhopper genus Chinaocerus Zhang Li (Cicadellidae: Idiocerinae) currently includes three species, C. bispinatus Zhang Li (type species), C. kangdingensis Zhang Li and C. shii Zhang Li from southwestern China. Two new species, C. tubulatus Zhang Webb sp. nov. and C. sexspinosus Zhang Webb sp. nov. from Yunnan Province, China, are here described and a checklist and key to species are provided.
Keywords: Auchenorrhyncha, Idiocerinae, taxonomy, new species, Hemiptera.