''Mimachrostia fasciata'' is a moth of the family

Erebidae The Erebidae are a family of moths in the superfamily Noctuoidea. The family is among the largest families of moths by species count and contains a wide variety of well-known macromoth groups. The family includes the underwings ('' Catocala'') ...

first described by Shigero Sugi in 1982. It is known from North Korea, South Korea, the

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 ...

ese islands Hokkaido and Honshu and Tsushima, the Russian Far East and

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 ...

. The habitat consists of rich broadleaved forests. Adults have been found from May to September. There are probably several generations per year.

Description

The wingspan is 13–15 mm for ssp. ''M. f. fasciata'' and 10–12 mm for ssp. ''M. f. minimus''. The forewing is relatively narrow, light brown and often with an indistinct, narrow, beige reniform stigma. The antemedian and postmedian lines are well marked, waved and almost parallel. The subterminal line is weakly marked and the terminal line is marked by black interveinal spots. The hindwing is greyish brown with an indistinct discal spot.

Subspecies

*''Mimachrostia fasciata fasciata'' *''Mimachrostia fasciata minimus'' Fibiger, 2010 (Tsushima)

References

* Micronoctuini Moths of Japan Moths described in 1982 {{Micronoctuini-stub