''Cepphis advenaria'', the little thorn, 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 ...

. The species can be found in

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

and across the

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 ...

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 ...

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 23–26 mm. The length of the forewings is 14–17 mm. The ground colour is usually whitish, or whitish ochreous freckled and clouded with grey brown or much mixed with deep ochreous. The cross lines are slightly darker. The 1st line of the forewing is sometimes nearly straight, the 2nd line has an angle in the middle, posteriorly curved, commonly oblique out wards at hindmargin The markings may be tinged with ochreous, or with red. On the rear wing is a dark dot. ab. ''fulva'' Gillmer is so uniformly irrorated as to appear dark yellow-brown throughout, unmarked except by the discal dots. The larva is variable, purplish grey or olive brown, abdomen with pale grey dorsal lozenges and 2 pale yellow oblique spots or dashes on the 2nd abdominal. The venter is more reddish, with dark V-shaped markings. The pupa is stout and rugose, not glossy; dorsum and abdomen light brown, the wings, legs greenish. See also the genus description (references - Watson, L., and Dallwitz, M.J. 2003) and Prout

Biology

The moths fly from May to June. The little thorn flies during the day, preferably when it is sunny. They rest with half open fore-wings, held above the back wings. The larvae feed mainly on bilberry (''

Vaccinium myrtillus ''Vaccinium myrtillus'' or European blueberry is a Holarctic realm, holarctic species of shrub with edible fruit of blue color, known by the common names bilberry, blaeberry, wimberry, and whortleberry. It is more precisely called common bilberr ...

''), but probably has alternative food plants as it occurs on sites without bilberry. In captivity, larvae accept

bramble ''Rubus'' is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, most commonly known as brambles. Fruits of various species are known as raspberries, blackberries, dewberries, and bristleberries. I ...

(''

Rubus fruticosus ''Rubus fruticosus'' L. is the ambiguous name of a European blackberry species in the genus ''Rubus'' (part of the rose family). The name has been interpreted in several ways: *The species represented by the type specimen of ''Rubus fruticosu ...

'') and wild roses (''

Rosa Rosa or De Rosa may refer to: Plants and animals * ''Rosa'' (plant), the genus of roses * Rosa (sea otter), a sea otter that has become popular on the internet * Rosa (cow), a Spanish-born cow People * Rosa (given name) * Rosa (surname) * San ...

'' species). HOSTS database, National History Museum, London
Retrieved 2024

Distribution

Found in Europe and across Russia to the Altai, the Sajan Mountains, the

Amur region Amur Oblast () is a federal subject of Russia (an oblast), located on the banks of the Amur and Zeya rivers in the Russian Far East. The oblast borders Heilongjiang province of the People's Republic of China (PRC) to the south. The administrat ...

, the

Primorye Primorsky Krai, informally known as Primorye, is a federal subject (a krai) of Russia, part of the Far Eastern Federal District in the Russian Far East. The city of Vladivostok on the southern coast of the krai is its administrative center, an ...

region,

Sakhalin Sakhalin ( rus, Сахали́н, p=səxɐˈlʲin) is an island in Northeast Asia. Its north coast lies off the southeastern coast of Khabarovsk Krai in Russia, while its southern tip lies north of the Japanese island of Hokkaido. An islan ...

and the

Kuril Islands The Kuril Islands or Kurile Islands are a volcanic archipelago administered as part of Sakhalin Oblast in the Russian Far East. The islands stretch approximately northeast from Hokkaido in Japan to Kamchatka Peninsula in Russia, separating the ...

, as well as in

Eastern China East China () is a geographical region in the People’s Republic of China, mainly consisting of seven province-level administrative divisions, namely the provinces (from north to south) Shandong, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, a ...

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 ...

and

. The main habitats are blueberry forests, heaths and bogs. In the

Alps The Alps () are some of the highest and most extensive mountain ranges in Europe, stretching approximately across eight Alpine countries (from west to east): Monaco, France, Switzerland, Italy, Liechtenstein, Germany, Austria and Slovenia. ...

, the species rises to an altitude of 1500 metres.

Notes

#''The flight season refers to 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 ...

. This may vary in other parts of the range.''

References

External links

Little thorn on UKmoths

Lepiforum.deVlindernet.nl
{{Taxonbar, from=Q1315083 Ourapterygini Moths described in 1790 Moths of Asia Moths of Europe Taxa named by Jacob Hübner