Pseudopostega tenuifurcata is a moth of the family Opostegidae.

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

[1] It is known from a lowland rainforest area in north-eastern Costa Rica The length of the forewings is 2.3–2.5 mm.

Adults have been recorded from January to May.

This article relating to the family Opostegidae is a stub.