Phyllonorycter kamijoi is a moth of the family Gracillariidae. It is known from the islands of Honshū and Kyūshū in Japan and from Korea.Global Taxonomic Database of Gracillariidae (Lepidoptera)
The wingspan is 5.5-6.5 mm.
The larvae feed on Castanea crenata and Quercus acutissima. They mine the leaves of their host plant.
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