The family Cosmopterigidae belongs to superfamily Gelechioidea, comprising 1,792 species of 135 genera worldwide (Sinev, 2002). In Korea, Park (1983) listed 9 species of 5 genera. Later, Park (1994) recorded 9 species of 5 genera of the family. Sinev and Park (1994) reported 4 species of 2 genera. And Ponomarenko and Park (1997) reported a newly recorded genus with one new species. In total, 23 species of 7 genera under 3 subfamilies are recorded in Korea. In the present study, one species of genus Pyroderces including a newly recorded species Pyroderces sarcogypsa is reported for the first time from Korea. Adult and genitalia of the species are examined and illustrated.