Two new and one newly recorded species of Gracillariidae from China (Lepidoptera)

The paper presents four Chinese species belonging to the genera Metriochroa Busck, Eumetriochroa Kumata,
and Gibbovalva Kumata & Kuroko (Lepidoptera, Gracillariidae), including two new species: Metriochroa
alboannulata Bai, sp. n. and Gibbovalva clavata Bai, sp. n. Eumetriochroa hiranoi Kumata, 1998, is
newly recorded from China. Photographs of adults and figures of the genital structures are provided, along
with keys to the Chinese species of Metriochroa, Eumetriochroa, and Gibbovalva.