Maliarpha separatella, the African white stemborer, is a species of moth of the family Pyralidae.

A worldwide paddy pest, it is found throughout African countries of Cameroon, Mali, Réunion, Madagascar, South Africa,[1][2] and many Asian paddy cultivating countries such as Myanmar, India, and Sri Lanka.

Forewings suffused with rufous, darkest below the broad pale costal fascia, which does not reach apex.

Female moth is much reddish, with a costal fascia often deeply suffused with red.

They bore and tunnel in to the tillers and stem and feed on internal tissues and sap.