Arhopala japonica 日本紫灰蝶
The Japanese Oakblue (Arhopala japonica) is a butterfly of the Lycaenidae family. It is found in Indochina, Japan, the Ryukyu Islands, the Korean Peninsula and ******.
The wingspan is 24-30 mm.
The larvae feed on Pasania e****s, Pasania glabra, Quercus acuta, Quercus glauca, Quercus serrata, Quercus stenophylla, Cyclobalanopsis glauca, Cyclobalanopsis gilva and Cyclobalanopsis acuta.