A review of Chorinaeus Holmgren (Hymenoptera, Ichneumonidae, Metopiinae) from South Korea with description of one new species

Chorinaeus mandibulatus Choi and Lee, sp. nov. is described and illustrated from South Korean fauna. The genus Chorinaeus of South Korea is reviewed and four species of Chorinaeus are recorded for the first time. Descriptions with photographs of a new species as well as diagnoses for each species are provided.