Kobayashi, S., Huang, G.-H., Nakamura, A. & Hirowatari, T. (2013) Four new species of Gracillariidae (Lepidoptera) from China and Japan, and description of the pupal morphology of the genera Corythoxestis, Eumetriochroa, Guttigera, and Metriochroa. Zootaxa, 3619 (2), 101–129.