Caloptilia leucothoes is a moth of the family Gracillariidae. It is known from the islands of Hokkaidà Â, Honshà « and Kyà «shà « in Japan, from the Russian Far East and from Korea.
The wingspan is 8.2âÂÂ11 mm.
The larvae feed on Leucothoe grayana, Menziesia pentandra and Rhododendron species, including Rhododendron albrechti, Rhododendron dauricum, Rhododendron dilatatum and Rhododendron reticulatum. They mine the leaves of their host plant.