Chrysaster hagicola is a moth of the family Gracillariidae.

It is known from Japan (Hokkaidō, Honshū, Shikoku and Kyūshū), Korea and the Russian Far East.

The larvae feed on Lespedeza bicolor and Lespedeza cyrtobotrya.

They mine the leaves of their host plant.

This article relating to moths in the subfamily Lithocolletinae is a stub.