Phostria purpureonitens

Phostria purpureonitens is a moth in the Crambidae family. It was described by Hampson in 1918. It is found on the D'Entrecasteaux Islands (Woodlark Island).

The wingspan is about 40 mm. The forewings are grey-brown, glossed with brilliant purple except on the basal and costal areas. The hindwings are grey-brown glossed with brilliant purple except at the base and on the inner area.