Agatasa is a butterfly genus in the brush-footed butterflies family (Nymphalidae). It is monotypic, containing only Agatasa calydonia, the glorious begum, which is found from southern Burma, through the Thai-Malay Peninsula, to Borneo, Sumatra and the Philippines. References Charaxinae Butterflies of Asia Butterflies of Borneo Butterflies of Indochina Monotypic butterfly genera Nymphalidae genera