Pantydia diemeni, the gap-lined pantydia, is a species of moth of the family Erebidae.

It is found in Australia, where it has been recorded from Tasmania,[2] Queensland, New South Wales, the Australian Capital Territory, Victoria and Western Australia.

The forewings are pale brown, with a pale thin submarginal line and variable dark areas.

The hindwings are uniform pale brown.

This Euclidiini article is a stub.