''Hypopyra vespertilio'' 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 ...

of the family

Erebidae The Erebidae are a family (biology), 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 underwin ...

first described by

Johan Christian Fabricius Johann Christian Fabricius (7 January 1745 – 3 March 1808) was a Danish zoologist, specialising in "Insecta", which at that time included all arthropods: insects, arachnids, crustaceans and others. He was a student of Carl Linnaeus, and is co ...

in 1787. It is found in

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 ...

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Honshu , historically known as , is the largest of the four main islands of Japan. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the list of islands by area, seventh-largest island in the world, and the list of islands by ...

in Japan,

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(

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, the

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and

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Description

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 74–90 mm in male and 72–104 mm in female. Male has minutely fasciculate antennae. Male with an erectile tuft of long hair from femur-tibial joint of forelegs. Tibia and hind tarsi not fringed with long hair, nor the hindwings clothed with long woolly hair on ventral side. The wings are grey suffused with slight fuscous brown. The forewings have the stigma usually reduced to spots or to two spots on discocellulars. The antemedial line is excurved below the costa then oblique to the inner margin. There is a double postmedial line, angled below the costa. The postmedial line is crenulate. The hindwings are fuscous brown with antemedial oblique lines. The medial and submarginal lines are crenulate and the inner margin is crimson. The darkest form is vespertilio which has the male dark brown; the costal and outer areas of forewing suffused with grey and olive; the stigma most developed; female much paler and greyer. The adult has been recorded as fruit-piercer.

Ecology

The larvae feed on ''

Albizia ''Albizia'' is a genus of more than 160 species of mostly fast-growing subtropical and tropical trees and shrubs in the subfamily Mimosoideae of the family Fabaceae. The genus is pantropical, occurring in Asia, Africa, Madagascar, America and A ...

'', ''

Acacia ''Acacia'', commonly known as wattles or acacias, is a genus of about of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa, South America, and Austral ...

'', ''

Wisteria ''Wisteria'' is a genus of flowering plants in the legume family, Fabaceae (Leguminosae). The genus includes four species of woody twining vines that are native to China, Japan, Korea, Vietnam, southern Canada, the Eastern United States, and nor ...

'' and possibly ''

Camellia ''Camellia'' (pronounced or ) is a genus of flowering plants in the family Theaceae. They are found in tropical and subtropical areas in East Asia, eastern and South Asia, southern Asia, from the Himalayas east to Japan and Indonesia. There are ...

'' species. They are pale grey.

References

Moths described in 1787 Hypopyra {{Erebinae-stub