Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   78 species

Xysticus bifasciatus  C. L. Koch, 1837

Description

Male palp with 2 pointed tegular apophyses lying close together. Tibial apophysis attached ventrally and with square-edged angles. The other one, situated retrolaterally, is keel-shaped and tapering toward the tip. Epigyne with circular groove. Vulva has a steep, rhomb-shaped edge and strongly protruding areas laterally. Prosoma with dark brown triangle, pointed posteriorly, surrounded by bright stripes and laterally flanked by dark brown stripes. Colouration sand to pink, male darker. Sternum brown to beige, longish oval. Margin partly dark brown. Chelicerae strongly spined frontally or with thin, inconspicuous spines only. Legs with dark brown lines and spots. Opisthosoma circular or pointed posteriorly. Densely haired dorsally, with brown folium, with 3 bright transverse lines posteriorly. Sand to pink coloured, males darker. Five sigilla visible.

Body length male: 5.4-6.9 mm
Body length female: 6.6-9.2 mm
Additional information

on the ground or in low vegetation, in dry meadows and heathland. From the plain up to the alpine area

Frequency: Not frequent

Distribution
  Presence
  No data
Global distribution (WSC 2019): Europe, Turkey, Russia (Europe to South Siberia), Central Asia, Japan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
References

Azheganova N S (1968) Kratkii opredelitel' paukov (Aranei) lesnoi i lesostepnoi zony SSSR. Akademia Nauk SSSR: 1-149

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)

Braendegaard J (1972a) Edderkopper eller spindlere I. Danmarks Fauna 72

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

Danışman T, Kunt K B, Özkütük R S (2019) The checklist of the spiders of Turkey. Version 2018 [last updated 1 January 2019], online at http://www.spidersofturkey.info

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

Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267

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

Locket G H, Millidge A F (1951) British Spiders 1. Ray Soc London

Løvbrekke H (unpubl.)

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
12-07-2018 Image insert