Caloptilia alni is a moth of the family Gracillariidae. It is known from China, Japan (Honshū, Hokkaidō), Korea and the Russian Far East.Global Taxonomic Database of Gracillariidae (Lepidoptera)
The wingspan is 14.5–16 mm.
The larvae feed on Alnus hirsuta and Alnus japonica. They probably mine the leaves of their host plant.
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