Chrysopidae is a cosmopolitan group of Neuroptera, with 85 genera and 1,200 species recorded in the world. Genus Nineta is a small group of the family, with almost 20 species recorded worldwide. They can be recognized by large sized body than that of other genera. In Korea, only one species, Nineta vittata (Wesmael, 1841) has been recorded so far. Here we present Nineta itoi, another new record, in Korea. Here we provide a brief description, photos of adult and male genitalia, COI barcode sequence, and a key based on diagnostic characters.