''Acleris expressa'' is a species of moth of the family Tortricidae. It is found in South Korea,

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 ...

, Russia ( Amur) and

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 ...

. The wingspan is 19–22 mm. The larvae feed on ''

Fraxinus mandshurica ''Fraxinus mandshurica'', the Manchurian ash, is a species of ''Fraxinus'' native to northeastern Asia in northern China (Gansu, Hebei, Heilongjiang, Henan, Hubei, Jilin, Liaoning, Shaanxi, Shanxi), Korea, Japan and southeastern Russia (Sakhalin ...

''.Check List of the Tribe Tortricini (Lepidoptera: Tortricidae) in Northeast china, with Two Newly Recorded Species from China
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References

Moths described in 1931 expressa Moths of Asia {{Tortricini-stub