Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   83 species

Xysticus lineatus  (Westring, 1851)

Description

Male palp deeply dark brown with white intersegmental membranes. Tegulum without apophyses. Tibial apophysis bipartite, ventral apophysis furcate in 2 tips, further, lateral apophysis broad, massive and terminally broadly transversely cut, with filiform, bent process attaching dorsally. Conductor very large at the end, sickle-shaped and retrolaterally projecting. Embolus short. Epigyne with longish ± quadrangular groove, defined by broad chitinous wall anteriorly. Vulva like 2 triangles whose broad sides opposite each other. Prosoma dark brown, contrastingly cream and white, dorsally with V-shaped pattern and bright eye region in females and black-brown eye field in males. Sternum cream to white and dark brown near coxae, roundish broad, straight anteriorly, hardly spined. Chelicerae dark brown and beige-brown pattern. Legs female: robust, thick and very dark. Male: slender, contrastingly coloured light and dark. Femur I prolaterally only white spotted in distal region. Tarsus and metatarsus strikingly light brown. Opisthosoma dark black-brown with white margin, median with cross-shaped bright area. Spinnerets female: dirty beige, male: brown.

Body length male: 3.3-4.5 mm
Body length female: 4.5-7 mm
Additional information

In swampy and bog-forest-like habitats, also on heath, sometimes under stones, mesoecious, photophilic, hygrophilic

Frequency: Rarely found

Distribution
  Presence
  No data
Global distribution (WSC 2019): Europe, Caucasus, Russia (Europe to Central Asia), Kazakhstan, China
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
References

Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018)

Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 pdf

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

Jantscher E (2001a) Revision der Krabbenspinnengattung Xysticus C.L. Koch, 1835 (Araneae, Thomisidae) in Zentraleuropa. Dissertation: 1-328 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

Maurer R (1975) Epigäische Spinnen der Nordschweiz I. Mitt Schweiz Entomol Ges 48: 357-376

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262 pdf

Otto S (2017) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 08.2017. Internet: caucasus-spiders.info.

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 pdf

Roberts M J (1995) Spiders of Britain and Northern Europe. Collins Field Guide Bath

World Spider Catalog (2019) World Spider Catalog, version 20.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.01.2019) doi: 10.24436/2

Updates
07-03-2016 Image insert
21-10-2015 Distribution update Old value
01-12-2013 Distribution update Old value