Xysticus

Xysticus is a genus of ground crab spiders described by C. L. Koch in 1835, belonging to the order Araneae, family Thomisidae. The genus name is derived from the Ancient Greek root xyst, meaning "scraped, scraper".

Ground crab spiders
Temporal range: Palaeogene–present
Xysticus sp.
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Thomisidae
Genus: Xysticus
C. L. Koch, 1835
Species

See text

Distribution

The genus Xysticus is distributed almost worldwide, but has not been recorded from South America. Of the about 360 species of the genus currently described, about 71 are present in Europe.

Description

Xysticus and Coriarachne are dark brown or reddish-brown crab spiders often encountered on weeds or trees. While similar to the 'flower spiders', they tend to have shorter, sturdier legs. Many, but not all, species have abdomens more patterned than most Thomisus species, rather like some of the Synema species. Some however, that are more terrestrial, resemble earth in colour and texture.

A ground crab spider with earthy coloration

Most species of the genus Xysticus are small to medium sized spiders. They show a sexual dimorphism in size. Females of typical species reach a maximum of 10 millimetres (0.39 in) of body length, while their males are about 3–5 millimetres (0.12–0.20 in) long, about half the size of the females.

The basic colour of these species is usually brown, beige or gray. The prosoma is sometimes slightly smaller than the opisthosoma. In many species the front body shows in the middle a broad, pale longitudinal band. The opisthosoma is clearly flattened in most species and shows a median broad and dark leaf marking.

The species are often very similar to each other, and in most cases can be distinguished only by a microscopic examination of the reproductive organs.

Behaviour

The spiders of the genus Xysticus do not build webs; like most Thomisidae they are ambush hunters and prefer to hunt near the ground (hence the common name "ground crab spiders"). They move slowly, and commonly hunt by stationing themselves in a high-traffic area and grabbing whatever arthropod passes close enough. Also like most other Thomisidae, they seize prey with their enlarged anterior two pairs of legs and kill it by a venomous bite.

Species

Species included in the genus Xysticus as of Dec. 20, 2013:

  • Xysticus abditus Logunov, 2006 — Bulgaria, Turkey
  • Xysticus abramovi Marusik & Logunov, 1995 — Turkey, Tajikistan
  • Xysticus acerbus Thorell, 1872 — Europe to Central Asia
    • Xysticus acerbus obscurior Kulczynski, 1895 — Ukraine
  • Xysticus acquiescens Emerton, 1919 — Holarctic
  • Xysticus advectus O. P.-Cambridge, 1890 — Guatemala, Costa Rica
  • Xysticus adzharicus Mcheidze, 1971 — Georgia
  • Xysticus aethiopicus L. Koch, 1875 — Ethiopia
  • Xysticus albertensis Dondale, 2008 — Canada
  • Xysticus albidus Grese, 1909 — Northern Europe, Russia
  • Xysticus albolimbatus Hu, 2001 — China
  • Xysticus albomaculatus Kulczynski, 1891 — Germany to Russia
  • Xysticus alboniger Turnbull, Dondale & Redner, 1965 — USA, Canada
  • Xysticus aletaiensis Hu & Wu, 1989 — China
  • Xysticus alpicola Kulczynski, 1882 — Czech Republic, Slovakia, Poland, Ukraine
  • Xysticus alpinistus Ono, 1978 — Nepal, China
  • Xysticus alsus Song & Wang, 1994 — China
  • Xysticus altaicus Simon, 1895 — Kazakhstan
  • Xysticus altitudinis Levy, 1976 — Israel
  • Xysticus ampullatus Turnbull, Dondale & Redner, 1965 — USA, Canada
  • Xysticus anatolicus Demir, Aktas & Topçu, 2008 — Turkey
  • Xysticus apachecus Gertsch, 1933 — USA
  • Xysticus apalacheus Gertsch, 1953 — USA
  • Xysticus apertus Banks, 1898 — Mexico
  • Xysticus apricus L. Koch, 1876 — Italy
  • Xysticus aprilinus Bryant, 1930 — USA
  • Xysticus arenarius Thorell, 1875 — Ukraine
  • Xysticus arenicola Simon, 1875 — France
  • Xysticus argenteus Jezequel, 1966 — Ivory Coast
  • Xysticus asper (Lucas, 1838) — Canary Islands
  • Xysticus atevs Ovtsharenko, 1979 — Russia
  • Xysticus atrimaculatus Bösenberg & Strand, 1906 — China, Korea, Japan
  • Xysticus auctificus Keyserling, 1880 — USA, Canada
  • Xysticus audax (Schrank, 1803) — Palearctic
    • Xysticus audax massanicus Simon, 1932 — France
  • Xysticus audaxoides Zhang, Zhang & Song, 2004 — China
  • Xysticus austrosibiricus Logunov & Marusik, 1998 — Russia, Mongolia
  • Xysticus autumnalis L. Koch, 1875 — New South Wales
  • Xysticus aztecus Gertsch, 1953 — Mexico
  • Xysticus bacurianensis Mcheidze, 1971 — Turkey, Russia, Georgia, Azerbaijan
  • Xysticus bakanas Marusik & Logunov, 1990 — Kazakhstan
  • Xysticus baltistanus (Caporiacco, 1935) — Russia, Central Asia, Mongolia, China
  • Xysticus banksi Bryant, 1933 — USA
  • Xysticus barbatus Caporiacco, 1936 — Libya
  • Xysticus benefactor Keyserling, 1880 — USA, Canada
  • Xysticus bengalensis Tikader & Biswas, 1974 — India
  • Xysticus bengdakus Saha & Raychaudhuri, 2007 — India
  • Xysticus beni Strand, 1913 — Central Africa
  • Xysticus berlandi Schenkel, 1963 — China
  • Xysticus bermani Marusik, 1994 — Russia
  • Xysticus bharatae Gajbe & Gajbe, 1999 — India
  • Xysticus bicolor L. Koch, 1867 — Greece
  • Xysticus bicuspis Keyserling, 1887 — USA
  • Xysticus bifasciatus C. L. Koch, 1837 — Palearctic
  • Xysticus bilimbatus L. Koch, 1875 — New South Wales
  • Xysticus bimaculatus L. Koch, 1867 — Queensland
  • Xysticus bliteus (Simon, 1875) — Mediterranean
  • Xysticus boesenbergi Charitonov, 1928 — Germany
  • Xysticus bolivari Gertsch, 1953 — Mexico
  • Xysticus bonneti Denis, 1938 — Palearctic
  • Xysticus bradti Gertsch, 1953 — Mexico
  • Xysticus breviceps O. P.-Cambridge, 1885 — India
  • Xysticus brevidentatus Wunderlich, 1995 — Italy, Albania, Croatia, Yugoslavia
  • Xysticus britcheri Gertsch, 1934 — Russia, Alaska, Canada, USA
  • Xysticus brunneitibiis Caporiacco, 1939 — Ethiopia
  • Xysticus bufo (Dufour, 1820) — Mediterranean
  • Xysticus californicus Keyserling, 1880 — USA, Mexico
  • Xysticus canadensis Gertsch, 1934 — Russia, USA, Canada
  • Xysticus canariensis (Wunderlich, 1987) — Canary Islands
  • Xysticus caperatoides Levy, 1976 — Israel
  • Xysticus caperatus Simon, 1875 — Mediterranean, Russia
  • Xysticus caspicus Utochkin, 1968 — Russia, Turkmenistan, Kazakhstan
  • Xysticus caucasius L. Koch, 1878 — Georgia
  • Xysticus chaparralis Schick, 1965 — USA
  • Xysticus charitonowi Mcheidze, 1971 — Georgia
  • Xysticus chippewa Gertsch, 1953 — Holarctic
  • Xysticus chui Ono, 1992 — Taiwan
  • Xysticus clavulus (Wunderlich, 1987) — Canary Islands
  • Xysticus clercki (Audouin, 1826) — Egypt, Ethiopia
  • Xysticus cochise Gertsch, 1953 — USA
  • Xysticus coloradensis Bryant, 1930 — USA
  • Xysticus concinnus Kroneberg, 1875 — Central Asia
  • Xysticus concretus Utochkin, 1968 — Russia, China, Korea, Japan
  • Xysticus concursus Gertsch, 1934 — USA
  • Xysticus conflatus Song, Tang & Zhu, 1995 — China
  • Xysticus connectens Kulczynski, 1901 — China
  • Xysticus cor Canestrini, 1873 — Southern Europe, Azores
  • Xysticus corsicus Simon, 1875 — Corsica
  • Xysticus cribratus Simon, 1885 — Mediterranean, northern Africa to China, Korea
  • Xysticus crispabilis Song & Gao, 1996 — China
  • Xysticus cristatus (Clerck, 1757) — Palearctic
  • Xysticus croceus Fox, 1937 — India, Nepal, Bhutan, China, Korea, Taiwan, Japan
  • Xysticus cunctator Thorell, 1877 — USA, Canada
  • Xysticus curtus Banks, 1898 — Mexico
  • Xysticus daisetsuzanus Ono, 1988 — Japan
  • Xysticus dali Li & Yang, 2008 — China
  • Xysticus davidi Schenkel, 1963 — China
  • Xysticus deichmanni Sørensen, 1898 — Canada, Alaska, Greenland
  • Xysticus demirsoyi Demir, Topçu & Türkes, 2006 — Turkey
  • Xysticus denisi Schenkel, 1963 — China
  • Xysticus desidiosus Simon, 1875 — Europe
  • Xysticus discursans Keyserling, 1880 — North America
  • Xysticus diversus (Blackwall, 1870) — Sicily
  • Xysticus dolpoensis Ono, 1978 — Nepal, China
  • Xysticus doriai (Dalmas, 1922) — Italy
  • Xysticus durus (Sørensen, 1898) — USA, Canada, Greenland
  • Xysticus dzhungaricus Tyschchenko, 1965 — Russia, Central Asia to China
  • Xysticus edax (O. P.-Cambridge, 1872) — Turkey, Israel
  • Xysticus egenus Simon, 1886 — West Africa
  • Xysticus elegans Keyserling, 1880 — USA, Canada, Alaska
  • Xysticus elephantus Ono, 1978 — Nepal, China
  • Xysticus ellipticus Turnbull, Dondale & Redner, 1965 — USA, Canada
  • Xysticus embriki Kolosvary, 1935 — Austria, Greece to Kazakhstan
  • Xysticus emertoni Keyserling, 1880 — USA, Canada, Alaska, Slovakia to China
  • Xysticus ephippiatus Simon, 1880 — Russia, Central Asia, Mongolia, China, Korea, Japan
  • Xysticus erraticus (Blackwall, 1834) — Europe, Russia
  • Xysticus excavatus Schenkel, 1963 — China
  • Xysticus facetus O. P.-Cambridge, 1896 — Mexico to El Salvador
  • Xysticus fagei Lessert, 1919 — East Africa
  • Xysticus fagei Schenkel, 1963 — China
  • Xysticus federalis Gertsch, 1953 — Mexico
  • Xysticus ferox (Hentz, 1847) — USA, Canada
  • Xysticus ferrugineus Menge, 1876 — Palearctic
  • Xysticus ferruginoides Schenkel, 1963 — Russia, Mongolia
  • Xysticus ferus O. P.-Cambridge, 1876 — Cyprus, Egypt, Israel
  • Xysticus fervidus Gertsch, 1953 — USA, Canada
  • Xysticus fienae (Jocque, 1993) — Spain
  • Xysticus flavitarsis Simon, 1877 — Congo
  • Xysticus flavovittatus Keyserling, 1880 — USA
  • Xysticus floridanus Banks, 1896 — USA
  • Xysticus fraternus Banks, 1895 — USA, Canada
  • Xysticus fuerteventurensis (Wunderlich, 1992) — Canary Islands
  • Xysticus funestus Keyserling, 1880 — North America
  • Xysticus furtivus Gertsch, 1936 — USA
  • Xysticus gallicus Simon, 1875 — Palearctic
    • Xysticus gallicus batumiensis Mcheidze & Utochkin, 1971 — Georgia
  • Xysticus gattefossei Denis, 1956 — Morocco
  • Xysticus geometres L. Koch, 1874 — Queensland
  • Xysticus gertschi Schick, 1965 — North America
  • Xysticus ghigii Caporiacco, 1938 — Mexico
  • Xysticus gobiensis Marusik & Logunov, 2002 — Russia, Mongolia, China
  • Xysticus gortanii Caporiacco, 1922 — Italy
  • Xysticus gosiutus Gertsch, 1933 — USA, Canada
  • Xysticus gracilis Keyserling, 1880 — Colombia
  • Xysticus graecus C. L. Koch, 1837 — Eastern Mediterranean, Russia
  • Xysticus grallator Simon, 1932 — Spain, Corsica
  • Xysticus grohi (Wunderlich, 1992) — Madeira
  • Xysticus guizhou Song & Zhu, 1997 — China
  • Xysticus gulosus Keyserling, 1880 — North America
  • Xysticus gymnocephalus Strand, 1915 — Turkey, Lebanon, Israel
  • Xysticus havilandi Lawrence, 1942 — South Africa
  • Xysticus hedini Schenkel, 1936 — Russia, Mongolia, China, Korea, Japan
  • Xysticus helophilus Simon, 1890 — Yemen
  • Xysticus hepaticus Simon, 1903 — Madagascar
  • Xysticus himalayaensis Tikader & Biswas, 1974 — India
  • Xysticus hindusthanicus Basu, 1965 — India
  • Xysticus hotingchiehi Schenkel, 1963 — China
  • Xysticus hui Platnick, 1993 — China
  • Xysticus humilis Redner & Dondale, 1965 — USA
  • Xysticus ibex Simon, 1875 — France, Spain
    • Xysticus ibex dalmasi Simon, 1932 — France
  • Xysticus ictericus L. Koch, 1874 — Fiji
  • Xysticus idolothytus Logunov, 1995 — Kazakhstan, Mongolia
  • Xysticus illaudatus Logunov, 1995 — Russia
  • Xysticus imitarius Gertsch, 1953 — USA
  • Xysticus indiligens (Walckenaer, 1837) — USA
  • Xysticus insulicola Bösenberg & Strand, 1906 — China, Korea, Japan
  • Xysticus iviei Schick, 1965 — USA
    • Xysticus iviei sierrensis Schick, 1965 — USA
  • Xysticus jabalpurensis Gajbe & Gajbe, 1999 — India
  • Xysticus jaharai Basu, 1979 — India
  • Xysticus japenus Roewer, 1938 — Indonesia
  • Xysticus jiangi Peng, Yin & Kim, 2000 — China
  • Xysticus jinlin Song & Zhu, 1995 — China
  • Xysticus joyantius Tikader, 1966 — India
  • Xysticus jugalis L. Koch, 1875 — Ethiopia
    • Xysticus jugalis larvatus Caporiacco, 1949 — Kenya
  • Xysticus kalandadzei Mcheidze & Utochkin, 1971 — Georgia
  • Xysticus kali Tikader & Biswas, 1974 — India
  • Xysticus kamakhyai Tikader, 1962 — India
  • Xysticus kashidi Tikader, 1963 — India
  • Xysticus kaznakovi Utochkin, 1968 — Greece to Central Asia
  • Xysticus kempeleni Thorell, 1872 — Europe to Central Asia
    • Xysticus kempeleni nigriceps Simon, 1932 — France
  • Xysticus keyserlingi Bryant, 1930 — USA, Canada
  • Xysticus khasiensis Tikader, 1980 — India
  • Xysticus kochi Thorell, 1872 — Europe, Mediterranean to Central Asia
    • Xysticus kochi abchasicus Mcheidze & Utochkin, 1971 — Georgia
  • Xysticus krakatauensis Bristowe, 1931 — Krakatau
  • Xysticus kulczynskii Wierzbicki, 1902 — Azerbaijan, Iran
  • Xysticus kurilensis Strand, 1907 — Russia, China, Korea, Japan
  • Xysticus kuzgi Marusik & Logunov, 1990 — Central Asia
  • Xysticus labradorensis Keyserling, 1887 — Holarctic
  • Xysticus laetus Thorell, 1875 — Italy to Central Asia
  • Xysticus lalandei (Audouin, 1826) — Egypt, Israel
  • Xysticus lanio C. L. Koch, 1835 — Palearctic
    • Xysticus lanio alpinus Kulczynski, 1887 — Austria
  • Xysticus lanzarotensis (Wunderlich, 1992) — Canary Islands
  • Xysticus lapidarius Utochkin, 1968 — Central Asia
  • Xysticus lassanus Chamberlin, 1925 — USA, Mexico
  • Xysticus laticeps Bryant, 1933 — USA, Cuba
  • Xysticus latitabundus Logunov, 1995 — Russia
  • Xysticus lendli Kulczynski, 1897 — Hungary
  • Xysticus lepnevae Utochkin, 1968 — Russia, Korea, Sakhalin
  • Xysticus lindbergi Roewer, 1962 — Afghanistan
  • Xysticus lineatus (Westring, 1851) — Palearctic
  • Xysticus locuples Keyserling, 1880 — North America
  • Xysticus loeffleri Roewer, 1955 — Greece, Turkey, Central Asia
  • Xysticus logunovi Seyfulina & Mikhailov, 2004 — Russia
  • Xysticus logunovi Ono & Martens, 2005 — Iran
  • Xysticus lucifugus Lawrence, 1937 — South Africa
  • Xysticus luctans (C. L. Koch, 1845) — USA, Canada
  • Xysticus luctator L. Koch, 1870 — Palearctic
  • Xysticus luctuosus (Blackwall, 1836) — Holarctic
  • Xysticus lutzi Gertsch, 1935 — USA, Mexico
  • Xysticus macedonicus Silhavy, 1944 — Germany, Switzerland, Austria, Macedonia, Turkey
  • Xysticus maculatipes Roewer, 1962 — Afghanistan
  • Xysticus maculiger Roewer, 1951 — Yarkand
  • Xysticus madeirensis (Wunderlich, 1992) — Madeira
  • Xysticus manas Song & Zhu, 1995 — China
  • Xysticus marmoratus Thorell, 1875 — Hungary, Slovakia, Bulgaria, Russia, Ukraine
  • Xysticus martensi Ono, 1978 — Nepal
  • Xysticus marusiki Ono & Martens, 2005 — Turkey, Iran
  • Xysticus minor Charitonov, 1946 — Central Asia
  • Xysticus mongolicus Schenkel, 1963 — Kazakhstan, Mongolia, China
  • Xysticus montanensis Keyserling, 1887 — USA, Canada, Alaska
  • Xysticus mugur Marusik, 1990 — Russia
  • Xysticus mulleri Lawrence, 1952 — South Africa
  • Xysticus multiaculeatus Caporiacco, 1940 — Ethiopia
  • Xysticus mundulus O. P.-Cambridge, 1885 — Yarkand
  • Xysticus namaquensis Simon, 1910 — South Africa
  • Xysticus natalensis Lawrence, 1938 — South Africa
  • Xysticus nataliae Utochkin, 1968 — Russia
  • Xysticus nebulo Simon, 1909 — Vietnam
  • Xysticus nenilini Marusik, 1989 — Russia, Mongolia
  • Xysticus nepalhimalaicus Ono, 1978 — Nepal
  • Xysticus nevadensis (Keyserling, 1880) — USA
  • Xysticus nigriceps Berland, 1922 — East Africa
  • Xysticus nigromaculatus Keyserling, 1884 — USA, Canada
  • Xysticus nigropunctatus L. Koch, 1867 — Queensland
  • Xysticus nigrotrivittatus (Simon, 1870) — Portugal, Spain
  • Xysticus ninnii Thorell, 1872 — Palearctic
    • Xysticus ninnii fusciventris Crome, 1965 — Eastern Europe to Mongolia
  • Xysticus nitidus Hu, 2001 — China
  • Xysticus nubilus Simon, 1875 — Mediterranean, Azores, Macronesia
  • Xysticus nyingchiensis Song & Zhu, 1995 — China
  • Xysticus obesus Thorell, 1875 — Russia, Ukraine
  • Xysticus obscurus Collett, 1877 — Holarctic
  • Xysticus ocala Gertsch, 1953 — USA
  • Xysticus orizaba Banks, 1898 — Mexico
  • Xysticus ovadan Marusik & Logunov, 1995 — Turkmenistan
  • Xysticus ovatus Simon, 1876 — France
  • Xysticus ovcharenkoi Marusik & Logunov, 1990 — Central Asia
  • Xysticus paiutus Gertsch, 1933 — USA, Mexico
  • Xysticus palawanicus Barrion & Litsinger, 1995 — Philippines
  • Xysticus palpimirabilis Marusik & Chevrizov, 1990 — Kyrgyzstan
  • Xysticus paniscus L. Koch, 1875 — Germany
  • Xysticus parallelus Simon, 1873 — Corsica, Sardinia
  • Xysticus parapunctatus Song & Zhu, 1995 — China
  • Xysticus pearcei Schick, 1965 — USA, Mexico
  • Xysticus peccans O. P.-Cambridge, 1876 — Egypt
  • Xysticus pellax O. P.-Cambridge, 1894 — North America
  • Xysticus peninsulanus Gertsch, 1934 — USA
  • Xysticus pentagonius Seyfulina & Mikhailov, 2004 — Russia
  • Xysticus periscelis Simon, 1908 — Western Australia
  • Xysticus pieperi Ono & Martens, 2005 — Iran
  • Xysticus pigrides Mello-Leitao, 1929 — Cape Verde Islands
  • Xysticus pinocorticalis (Wunderlich, 1992) — Canary Islands
  • Xysticus posti Sauer, 1968 — USA
  • Xysticus potamon Ono, 1978 — Nepal
  • Xysticus pretiosus Gertsch, 1934 — USA, Canada
  • Xysticus promiscuus O. P.-Cambridge, 1876 — Egypt, Israel
  • Xysticus pseudobliteus (Simon, 1880) — Russia, Kazakhstan, Mongolia, China, Korea
  • Xysticus pseudocristatus Azarkina & Logunov, 2001 — Pakistan, Central Asia to China
  • Xysticus pseudolanio Wunderlich, 1995 — Turkey
  • Xysticus pseudoluctuosus Marusik & Logunov, 1995 — Turkey, Tajikistan
  • Xysticus pseudorectilineus (Wunderlich, 1995) — Greece, Turkey
  • Xysticus pulcherrimus Keyserling, 1880 — Colombia
  • Xysticus punctatus Keyserling, 1880 — USA, Canada
  • Xysticus pygmaeus Tyschchenko, 1965 — Kazakhstan
  • Xysticus pynurus Tikader, 1968 — India
  • Xysticus quadratus Tang & Song, 1988 — China
  • Xysticus quadrispinus Caporiacco, 1933 — Libya
    • Xysticus quadrispinus concolor Caporiacco, 1933 — Libya
  • Xysticus quagga Jocque, 1977 — Morocco
  • Xysticus rainbowi Strand, 1901 — New Guinea
  • Xysticus rectilineus (O. P.-Cambridge, 1872) — Syria, Lebanon, Israel
  • Xysticus robinsoni Gertsch, 1953 — USA, Mexico
  • Xysticus rockefelleri Gertsch, 1953 — Mexico
  • Xysticus roonwali Tikader, 1964 — India, Nepal
  • Xysticus rostratus Ono, 1988 — Russia, Japan
  • Xysticus rugosus Buckle & Redner, 1964 — Russia, Canada, USA
  • Xysticus ryukyuensis Ono, 2002 — Ryukyu Islands
  • Xysticus sabulosus (Hahn, 1832) — Palearctic
    • Xysticus sabulosus occidentalis Kulczynski, 1916 — France
  • Xysticus saganus Bösenberg & Strand, 1906 — Russia, China, Korea, Japan
  • Xysticus sagittifer Lawrence, 1927 — Namibia
  • Xysticus sansan Levy, 2007 — Israel
  • Xysticus sardiniensis (Wunderlich, 1995) — Sardinia
  • Xysticus schoutedeni Lessert, 1943 — Congo
  • Xysticus secedens L. Koch, 1876 — Austria, Balkans
  • Xysticus semicarinatus Simon, 1932 — France, Spain, Portugal
  • Xysticus seserlig Logunov & Marusik, 1994 — Russia, Mongolia
  • Xysticus setiger O. P.-Cambridge, 1885 — Pakistan, India
  • Xysticus sharlaa Marusik & Logunov, 2002 — Russia
  • Xysticus shillongensis Tikader, 1962 — India
  • Xysticus shyamrupus Tikader, 1966 — India
  • Xysticus sibiricus Kulczynski, 1908 — Russia
  • Xysticus siciliensis Wunderlich, 1995 — Sicily
  • Xysticus sicus Fox, 1937 — Russia, China, Korea
  • Xysticus sikkimus Tikader, 1970 — India, China
  • Xysticus silvestrii Simon, 1905 — Argentina
  • Xysticus simonstownensis Strand, 1909 — South Africa
  • Xysticus simplicipalpatus Ono, 1978 — Nepal, Bhutan
  • Xysticus sinaiticus Levy, 1999 — Egypt
  • Xysticus sjostedti Schenkel, 1936 — Russia, Mongolia
  • Xysticus slovacus Svaton, Pekar & Prídavka, 2000 — Slovakia, Russia
  • Xysticus soderbomi Schenkel, 1936 — Mongolia, China
  • Xysticus soldatovi Utochkin, 1968 — Russia, China
  • Xysticus spasskyi Utochkin, 1968 — Russia
  • Xysticus sphericus (Walckenaer, 1837) — USA
  • Xysticus spiethi Gertsch, 1953 — Mexico
  • Xysticus squalidus Simon, 1883 — Canary Islands, Madeira
  • Xysticus strandi Kolosvary, 1934 — Hungary
  • Xysticus striatipes L. Koch, 1870 — Palearctic
  • Xysticus subjugalis Strand, 1906 — Ethiopia
    • Xysticus subjugalis nigerrimus Caporiacco, 1941 — Ethiopia
  • Xysticus tampa Gertsch, 1953 — USA
  • Xysticus tarcos L. Koch, 1875 — Ethiopia
  • Xysticus taukumkurt Marusik & Logunov, 1990 — Kazakhstan
  • Xysticus tenebrosus Silhavy, 1944 — East Mediterranean
    • Xysticus tenebrosus ohridensis Silhavy, 1944 — Macedonia
  • Xysticus tenuiapicalis Demir, 2012 — Turkey
  • Xysticus texanus Banks, 1904 — USA, Mexico
  • Xysticus thessalicoides Wunderlich, 1995 — Greece, Crete, Turkey
  • Xysticus thessalicus Simon, 1916 — Balkans, Greece, Turkey, Israel
  • Xysticus tikaderi Bhandari & Gajbe, 2001 — India
  • Xysticus toltecus Gertsch, 1953 — Mexico
  • Xysticus torsivoides Song & Zhu, 1995 — China
  • Xysticus torsivus Tang & Song, 1988 — China
  • Xysticus tortuosus Simon, 1932 — Portugal to Austria, Morocco, Algeria
  • Xysticus transversomaculatus Bösenberg & Strand, 1906 — Japan
  • Xysticus triangulosus Emerton, 1894 — USA, Canada, Alaska
  • Xysticus triguttatus Keyserling, 1880 — USA, Canada
  • Xysticus tristrami (O. P.-Cambridge, 1872) — Saudi Arabia to Central Asia
  • Xysticus trizonatus Ono, 1988 — Japan
  • Xysticus tsanghoensis Hu, 2001 — China
  • Xysticus tugelanus Lawrence, 1942 — South Africa
  • Xysticus turkmenicus Marusik & Logunov, 1995 — Central Asia
  • Xysticus turlan Marusik & Logunov, 1990 — Central Asia
  • Xysticus tyshchenkoi Marusik & Logunov, 1995 — Central Asia
  • Xysticus ukrainicus Utochkin, 1968 — Russia, Georgia
  • Xysticus ulkan Marusik & Logunov, 1990 — Russia, Kyrgyzstan
  • Xysticus ulmi (Hahn, 1831) — Palearctic
  • Xysticus urbensis Lawrence, 1952 — South Africa
  • Xysticus urgumchak Marusik & Logunov, 1990 — Central Asia
  • Xysticus vachoni Schenkel, 1963 — Russia, Kazakhstan, Mongolia, Japan
  • Xysticus variabilis Keyserling, 1880 — USA
  • Xysticus verecundus Gertsch, 1934 — Mexico
  • Xysticus verneaui Simon, 1883 — Canary Islands, Madeira
  • Xysticus viduus Kulczynski, 1898 — Palearctic
  • Xysticus viveki Gajbe, 2005 — India
  • Xysticus wagneri Gertsch, 1953 — Mexico
  • Xysticus walesianus Karsch, 1878 — New South Wales
  • Xysticus winnipegensis Turnbull, Dondale & Redner, 1965 — Canada
  • Xysticus wuae Song & Zhu, 1995 — China
  • Xysticus wunderlichi Logunov, Marusik & Trilikauskas, 2001 — Russia
  • Xysticus xerodermus Strand, 1913 — Turkey, Israel
  • Xysticus xiningensis Hu, 2001 — China
  • Xysticus xizangensis Tang & Song, 1988 — China
  • Xysticus xysticiformis (Caporiacco, 1935) — Central Asia, China
  • Xysticus yogeshi Gajbe, 2005 — India
  • Xysticus zonshteini Marusik, 1989 — Kyrgyzstan, Tajikistan
  • Xysticus species, female
  • Xysticus species, male
  • Xysticus species
  • Xysticus species
  • Xysticus audax
  • Xysticus kochi, female
  • Xysticus cristatus
  • Xysticus bilimbatus
  • Xysticus lanio
  • Xysticus luctator
  • Xysticus ninniii
  • Xysticus ulmi
  • Xysticus species
  • Xysticus species eating a beetle

References
    • Norman I. Platnick - Thomisidae
    • J. H. Redner and C. D. Dondale - A New Species of The Spider Genus Xysticus (Araneae: Thomisidae) From Arizona - PsycheVolume 72 (1965), Issue 4, Pages 291-294
    • H. Demir, O. Seyyar, and M. Aktaş - A Poorly Known Species of the Spider Genus Xysticus C. L. Koch (Araneae, Thomisidae) in Turkey - Arch. Biol. Sci., Belgrade, 60 (4), 17P-18P, 2008

    Data related to Xysticus at Wikispecies
    Media related to Xysticus at Wikimedia Commons

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