The Zaranga pannosa species group of the genus Zaranga Moore, 1884 is reviewed and a new species, Zaranga koreana sp. nov. from Korea, is described based on morphology and genetic data. An updated checklist, key, and ecological and distributional notes to the species are provided. Diagnoses and description are given for the described species. A new locality to Zaranga tukuringra Streltzov et Yakovlev, 2007, is given and this species is considered as narrow local endemic of north-west Amur basin, distributed on the huge distance from other Zapanga species.
Keywords: Asia, biotopes, endemic species, genetic distances, review, taxonomy, Lepidoptera.