Thespea aka, sp. nov., is described as new from Arunachal Pradesh, India. Additionally, four species are recorded for the first time from India: Melinaria pseudorepanda kalawensis (Orhant, 2000) and Parasa julikatis Solovyev Witt, 2009, recorded in Arunachal Pradesh, and Thosea lutea Heylaerts, 1890 and Mambarona congrua (Walker, 1862), recorded in Great Nicobar Island. Diagnosis and distribution are provided for all taxa listed and the males and their genitalia are illustrated.
Keywords: Lepidoptera, Arunachal Pradesh, Great Nicobar Island, Mambarona congrua, Melinaria pseudorepanda kalawensis, Parasa julikatis, Thespea aka, sp. nov., Thosea lutea.