''Acleris aestuosa'' is a species of

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Tortricidae The Tortricidae are a family of moths, commonly known as tortrix moths or leafroller moths, in the order Lepidoptera. This large family has over 11,000 species described, and is the sole member of the superfamily Tortricoidea, although the genu ...

. It is found in

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 ...

(Shikoku). The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is 18–21 mm. The larvae feed on ''

Fagus crenata ''Fagus crenata'', known as the Siebold's beech, Japanese beech, or buna, is a deciduous tree of the beech genus, ''Fagus'', of the family Fagaceae. Distribution and habitat It is endemic to Japan, where it is widespread and often one of the do ...

''.Tortricidae Food Plant Database
/ref>

References

Moths described in 1965 aestuosa Moths of Japan {{Tortricini-stub