''Colostygia pectinataria'', the green carpet, is a

Palearctic 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. Th ...

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 genus '' Colostygia'' in 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 was first described by

August Wilhelm Knoch August Wilhelm Knoch (June 8, 1742 – June 2, 1818) was a German people, German natural history, naturalist born in Braunschweig. He was a professor of physics at Braunschweig University of Technology, Collegium Carolinum. He studied theology ...

in 1781. The moth has a wingspan from . The strong forewing ground colour is green to bluish green. The wing pattern shows the following colour sequence: a small region at the wing base brown green, the ensuing basal region brighter green, a wide and strongly serrated on the outside discal region dark green edged with white, the postdiscal region whitish green and the marginal region tinted brownish green. There are two distinct blackish spots near the front edge of the wing (costa) and one on the inner edge. In older specimens, the greenish colour can fade. Sometimes newly emerged hatched moths have a whitish, yellowish or pink colour. The hindwings shimmer grey white and have faint lines. The antennae of the males are combed, those of females are simple.Jaan Viidalepp and Axel Hausmann, 2013 In: Axel Hausmann (Hrsg.): ''The Geometrid Moths of Europe''. 1. Auflage. Volume 3: Larentiinae I. Apollo Books, Stenstrup 2013, The larva is stout, gnarled and light grey violet in colour. It has numerous small black spots that each carry a short, stiff brush. It occurs in many different biotopes, on moors, in marshy terrain and also in forests. The larvae feed primarily on ''

Galium ''Galium'' is a large genus of annual and perennial herbaceous plants in the family Rubiaceae, occurring in the temperate zones of both the Northern and Southern Hemispheres. Some species are informally known as bedstraw. Over 600 species of ' ...

'' but also on ''

Rumex The docks and sorrels, genus ''Rumex'', are a genus of about 200 species of annual, biennial, and perennial herbs in the buckwheat family, Polygonaceae. Members of this genus are very common perennial herbs with a native almost worldwide distri ...

'' and ''

Lamium ''Lamium'' (dead-nettles) is a genus of about 30 species of flowering plants in the family Lamiaceae, of which it is the type genus. They are all herbaceous plants native to Eurasia and northern Africa, with several widely naturalised across muc ...

''. The moths fly at night in June – July and often come to light. It is a

species found in the

Iberian Peninsula The Iberian Peninsula ( ), also known as Iberia, is a peninsula in south-western Europe. Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of peninsular Spain and Continental Portugal, comprisin ...

over western and central Europe including the

British Isles The British Isles are an archipelago in the Atlantic Ocean, North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner Hebrides, Inner and Outer Hebr ...

and east to the

Altai Mountains The Altai Mountains (), also spelled Altay Mountains, are a mountain range in Central Asia, Central and East Asia, where Russia, China, Mongolia, and Kazakhstan converge, and where the rivers Irtysh and Ob River, Ob have their headwaters. The ...

. ''C. pectinataria'' reaches the Arctic Circle in

Fennoscandia __NOTOC__ Fennoscandia (Finnish language, Finnish, Swedish language, Swedish and ; ), or the Fennoscandian Peninsula, is a peninsula in Europe which includes the Scandinavian Peninsula, Scandinavian and Kola Peninsula, Kola peninsulas, mainland ...

, to the south the occurrence ranges from the western

Mediterranean The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern ...

to the

Balkan Peninsula The Balkans ( , ), corresponding partially with the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throug ...

, the

Black Sea The Black Sea is a marginal sea, marginal Mediterranean sea (oceanography), mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bound ...

region and the

Caucasus The Caucasus () or Caucasia (), is a region spanning Eastern Europe and Western Asia. It is situated between the Black Sea and the Caspian Sea, comprising parts of Southern Russia, Georgia, Armenia, and Azerbaijan. The Caucasus Mountains, i ...

. In the mountains ''C. pectinataria'' has been recorded at elevations of over . Bogs, forests, bushy forest edges and damp heath areas are preferred.

References

External links

Green carpet at ''UKMoths''''Lepiforum e.V.''''De Vlinderstichting''
Cidariini Moths described in 1781 Moths of Europe Moths of Asia Taxa named by August Wilhelm Knoch {{Cidariini-stub