''Acasis appensata'' 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

Geometridae The geometer moths are 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, paraphyleti ...

. It is found in the

Palearctic realm The Palearctic or Palaearctic is a biogeographic realm of the Earth, the largest of eight. Confined almost entirely to the Eastern Hemisphere, it stretches across Europe and Asia, north of the foothills of the Himalayas, and North Africa. The ...

. 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 21–23 mm. The larvae feed on ''

Actaea spicata ''Actaea spicata'', the baneberry or herb Christopher, is a species of flowering plant in the genus ''Actaea (plant), Actaea'', native from Europe to western Siberia and northern Iran. It is often found on limestone edges and in deciduous woodlan ...

''.

Subspecies

*''Acasis appensata appensata'' *''Acasis appensata baicalensis'' (Bang-Haas, 1906)

External links

Fauna EuropaeaLepiforum.de
Trichopterygini Palearctic Lepidoptera Taxa named by Eduard Friedrich Eversmann Moths described in 1842 {{Trichopterygini-stub