Phostria obscurata

Phostria obscurata is a moth of the Crambidae family. It is found in Taiwan, India, Sri Lanka, Singapore and Burma.

Adults are purplish-brown. The forewings have an extremely indistinct blackish transverse outwardly-curved narrow antemedial band, and an irregular postmedial band. There is a spot in the middle of the cell, and a streak at the end. The hindwings have a similar irregular discal band.