Omphisa is a genus of moths of the family Crambidae described by Frederic Moore in 1886.

Species Omphisa anastomosalis (Guenée, 1854) Omphisa caustalis Hampson, 1913 Omphisa fuscidentalis (Hampson, 1896) Omphisa illisalis (Walker, 1859) Omphisa leucostolalis Hampson, 1918 Omphisa repetitalis Snellen, 1890 Omphisa robusta Janse, 1928 Omphisa vaovao Viette, 1973 Omphisa variegata Kenrick, 1912

Former species Omphisa ingens Hampson, 1899

References