Two new species of Bucculatrix are described from China: adults and male genitalia of B. yingjingensis Liao, Yagi Huang, sp. nov., are presented; and the adult female and genitalia of B. liubaensis Liao, Kobayashi Huang, sp. nov., are given, along with biological notes. DNA barcodes support the separation of two new species from each other and from related species.
Keywords: Lepidoptera, morphology, DNA barcodes, molecular identification.