Hypercallia lydia is a moth in the family Depressariidae.

The forewings are very dark blue, crossed from the costal to the inner margin before the end of the cell by three waved orange-yellow bands.

There is a round orange-yellow spot at the end of the cell, beyond which is a curved orange submarginal line.

The hindwings are brown, the costal margin yellow and with a black spot at the end of the cell.

This article on a moth of the subfamily Hypercalliinae is a stub.