The tropical tobacco moth, Setomorpha rutella Zeller (Tineidae, Setomorphinae) ,is newly recorded from Okinawa, Japan. This moth was reared from detritus in nests of the Ryukyu Scops Owl and the Ryukyu Ruddy Kingfisher in Miyako-jima Is. and Minami-daito-jima Is. The adult and male genitalia are illustrated.