Diplopseustis prophetica is a moth in the family Crambidae.

It is found in Australia, where it has been recorded from Victoria.

The forewings are pale brownish ochreous, the base of the costa suffused with dark fuscous.

The hindwings are pale whitish ochreous, becoming pale brownish ochreous towards the hindmargin.

This Spilomelinae-related article is a stub.