Pseudopostega sublobata is a moth of the family Opostegidae.

It was described by Donald R. Davis and Jonas R. Stonis, 2007.

The length of the forewings is 2.1–2.5 mm.

Adults have been recorded over much of the year, from February to October in Costa Rica and during January in Ecuador.

This article relating to the family Opostegidae is a stub.