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Metalmark moths are microlepidopterans which, as their name suggests, often bear metallic or iridescent markings on their wings. Currently, there are 407 described species of choreutids (Rota 2007, Rota 2008), but this number probably represents only about 70% of their existing diversity (Rota 2003). The family is commonly divided into three subfamilies: Millieriinae, Brenthiinae, and Choreutinae (Heppner and Duckworth 1981). With only four species in three genera, Millieriinae is the smallest subfamily: Millieria Ragonot, Nyx Heppner, and Phormoestes Heppner. Two genera are included in Brenthiinae: Brenthia Clemens (89 species described) and Litobrenthia Diakonoff (12 species described). Choreutinae is the largest subfamily with 15 genera: Alasea Rota (1 species), Anthophila Haworth (12 species), Asterivora Dugdale (23 species), Caloreas Heppner (18 species), Choreutis Huebner (96 species), Hemerophila Huebner (27 species), Melanoxena Dognin (1 species), Peotyle Diakonoff (2 species), Prochoreutis Heppner (39 species), Rhobonda Walker (3 species), Saptha Walker (18 species), Tebenna Billberg (31 species), Telosphranthis Meyrick (1 species), Tortyra Walker (24 species), and Zodia Heppner (5 species).