''Tethea ampliata'' is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

in the family

Drepanidae The Drepanidae are a family of moths with about 660 species described worldwide. They are generally divided in three subfamilies, which share the same type of hearing organ. Thyatirinae, previously often placed in their own family, bear a supe ...

. It is found in the

Russian Far East The Russian Far East ( rus, Дальний Восток России, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in North Asia. It is the easternmost part of Russia and the Asia, Asian continent, and is coextensive with the Far Easte ...

Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

and northern and north-eastern

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. The

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

is 41–48 mm. Adults are similar to ''

Tethea or ''Tethea or'', the poplar lutestring, is a moth of the family Drepanidae. It was first described by Michael Denis and Ignaz Schiffermüller in 1775. The species can be found in Europe, northern and eastern Asia and Japan. The imago resembles '' T ...

'', but larger and the forewings are silvery grey. The inner band is darker and straighter with more dentate limiting lines. The outer band has an additional angle towards the costa and the outer line is more regularly undulated, blackish and parallel to the inner line.Ann. Mag. Nat. Hist. (5) 1 (1): 78

Subspecies

*''Tethea ampliata ampliata'' (Russia, Korea, Japan, China: Heilongjiang, Jilin, Liaoning) *''Tethea ampliata grandis'' Okano, 1959 (Taiwan) *''Tethea ampliata shansiensis'' Werny, 1966 (China: Henan, Shaanxi, Gansu, Zhejiang, Hubei, Hunan, Jiangxi, Guangxi, Sichuan, Yunnan)

References

Moths described in 1878 Thyatirinae {{Thyatirinae-stub