''Coriarachne'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

crab spiders The Thomisidae are a family of spiders, including about 170 genera and over 2,100 species. The common name crab spider is often linked to species in this family, but is also applied loosely to many other families of spiders. Many members of th ...

that was first described by

Tamerlan Thorell Tord Tamerlan Teodor Thorell (3 May 1830 – 22 December 1901) was a Sweden, Swedish arachnologist. Thorell studied spiders with Giacomo Doria at the Museo Civico di Storia Naturale de Genoa. He corresponded with other arachnologists, such as Oc ...

in 1870. Over half of described species have been synonymized or moved to similar genera, including '' Bassaniana'', '' Bassaniodes'', and '' Pycnaxis''. They are found in

boreal Boreal may refer to: Climatology and geography *Boreal (age), the first climatic phase of the Blytt-Sernander sequence of northern Europe, during the Holocene epoch *Boreal climate, a climate characterized by long winters and short, cool to mild ...

and

temperate In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout t ...

regions almost exclusively on

tree bark Bark is the outermost layers of stems and roots of woody plants. Plants with bark include trees, woody vines, and shrubs. Bark refers to all the tissues outside the vascular cambium and is a nontechnical term. It overlays the wood and consist ...

, wooden fence posts and similar areas where they can take advantage of their natural

camouflage Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see, or by disguising them as something else. Examples include the leopard's spotted coat, the ...

. They are rather slow-moving and robust, with the crab-like appearance characteristic of the subfamily Thomisinae. Similar to others in its subfamily, they will wait to ambush their prey rather than actively pursuing it. Often these spiders will congregate under loose bark, leaf litter, or similar situations to spend the winter either in the adult or penultimate stage.(Jennings, 1972 ; Holmquist, 1926 ; Kaston, 1948 ; Lowrie, 1948)

Species

it contains four species, found in Europe, Asia,

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

, and the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

: *'' Coriarachne brunneipes'' Banks, 1893 – USA,

*'' Coriarachne depressa'' (C. L. Koch, 1837) ( type) –

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 ...

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

Caucasus The Caucasus () or Caucasia (), is a region between the Black Sea and the Caspian Sea, mainly comprising Armenia, Azerbaijan, Georgia, and parts of Southern Russia. The Caucasus Mountains, including the Greater Caucasus range, have historically ...

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

(

to Far East), Central Asia *'' Coriarachne fulvipes'' ( Karsch, 1879) –

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

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 ...

*'' Coriarachne melancholica'' Simon, 1880 –

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

Formerly included: *''C. fienae'' Jocqué, 1993 (Transferred to '' Bassaniodes'') *''C. floridana'' Banks, 1896 (Transferred to '' Bassaniana'') *''C. nigrostriata'' Simon, 1886 (Transferred to '' Pycnaxis'') *''C. utahensis'' (Gertsch, 1932) (Transferred to ''Bassaniana'') *''C. versicolor'' Keyserling, 1880 (Transferred to ''Bassaniana'') In synonymy: *''C. nakina'' Gertsch, 1953 = ''Coriarachne brunneipes'' Banks, 1893 *''C. potanini'' Schenkel, 1963 = ''Coriarachne melancholica'' Simon, 1880

Nomen dubium In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application. Zoology In case of a ''nomen dubium'' it may be impossible to determine whether a s ...

*''C. lenta'' (Walckenaer, 1837

Species

See also

References

Further reading