A new species of the genus Pukupuku Muramoto, 2006 is described from the state of Arunachal Pradesh (Northeast India): Pukupuku arunachalensis sp. nov. Relevant diagnostic characters are illustrated and compared with closely related species, Pukupuku curtus (Arrow, 1919) and Pukupuku katsurai (Muramoto, 2002). The distribution of the new species is mapped.
New species, taxonomy, Northeast India, diagnosis, Palaearctic Region.