''Euphyia unangulata'', the sharp-angled carpet, is a

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 Geometridae. It shares its common name with the similarly coloured

Neoarctic The North American Arctic is composed of the northern polar regions of Alaska (USA), Northern Canada and Greenland. Major bodies of water include the Arctic Ocean, Hudson Bay, the Gulf of Alaska and North Atlantic Ocean. The North American Arct ...

, ''

Euphyia intermediata ''Euphyia intermediata'', the sharp-angled carpet, is a moth of the family Geometridae. The species was first described by Achille Guenée in 1858. It is found from coast-to-coast in southern Canada and the northern United States, south in th ...

''.

Description

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 25–28 mm. The forewing has a brownish central band. The white outer edge of this band is sharply angled. There is also a narrow white line in the basal area of the forewings. There are two dark discal spots in the central area of the band.The larva is purplish brown with a variety of black and white square spots along the back. It has rather short bristles.

Distribution

It is found from most of

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

across the

Palearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

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 ...

and the

Kamchatka Peninsula The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and we ...

Behaviour

Adults are on wing from mid April to August. There are two generations per year. The

larva A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The ...

e feed on ''

Stellaria ''Stellaria'' is a genus of about 190 species of flowering plants in the family Caryophyllaceae, with a cosmopolitan distribution. Common names include starwort, stitchwort and chickweed. Description ''Stellaria'' species are relatively small ...

'' species, including ''

Stellaria media ''Stellaria media'', chickweed, is an annual and perennial flowering plant in the family Caryophyllaceae.Fernald, M. L. 1950. “Gray's Manual of Botany”. Eight Edition. American Book Company, New York, NY. 1632 pp. It is native to Euras ...

''. Larvae can be found from June to September. The species overwinters as a pupa.

Subspecies

*''Euphyia unangulata unangulata'' *''Euphyia unangulata gracilaria'' (Bang-Haas, 1906) *''Euphyia unangulata tonnaichana'' (Matsumura, 1925) *''Euphyia unangulata renei'' (Bryk, 1948) (Kamchatka, northern Kurils)

External links

UK MothsFauna EuropaeaLepiforum.de
Euphyia Moths of Japan Moths of Europe Taxa named by Adrian Hardy Haworth Geometridae Insects of Japan Moths described in 1809 {{Xanthorhoini-stub