Template:Lang, 2023
- Lang, S.Y. 2023. Notes on the Lopinga achine (Scopoli, 1763)-complex and its sibling, the Lopinga catena (Leech, 1890)-complex, with description of a new species from China (Lepidoptera, Nymphalidae, Satyrinae). Neue Entomologische Nachrichten 82: 218–224. PDF.