''Cosmopterix gracilis'' is a moth of the family Cosmopterigidae. It is known from

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

( Jiangxi),

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, Korea and Russia.A study of Chinese Cosmopterix Hübner (Lepidoptera, Cosmopterigidae) with descriptions of new species
/ref> The length of the forewings is about 5.7 mm.

References

gracilis Moths of Japan {{Cosmopterix-stub