Liocrobyla kumatai is a moth of the family Gracillariidae. It is known from Japan, the Russian Far EastGlobal Taxonomic Database of Gracillariidae (Lepidoptera) and Korea.Seven species of Gracillariidae and Lyonetiidae (Lepidoptera) new to Korea and a list of the known host plants for the families
The wingspan is 6–7 mm.Japanese Moths
The larvae feed on Desmodium and Lespedeza species, including Lespedeza bicolor. They mine the leaves of their host plant.
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