Chrysaster hagicola is a moth of the family Gracillariidae. It is known from Japan (Hokkaidà Â, Honshà «, Shikoku and Kyà «shà «), Korea and the Russian Far East.
The wingspan is 4.5âÂÂ5 mm.
The larvae feed on Lespedeza bicolor and Lespedeza cyrtobotrya. They mine the leaves of their host plant.