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

Xysticus obscurus  Collett, 1877


Male palp with 2 striking tegular apophyses, the median is hammer-shaped with a massive prolateral branch and blunt tip, the lateral apophysis forms a partially opened tube with bevelled tip. Tibial apophysis bipartite, ventral apophysis large and square-edged, retrolateral apophysis very characteristic in lateral view with broad base and strikingly narrowed apically. Epigyne with circular epigynal groove, posterior side not dark. Vulva laterally with pocket-shaped depressions. Prosoma margined fine dark or black. Female: coloured in different velvety beige and sandy tones. Male: brown to dark brown. Cheeks in female with 3 longitudinal stripes and bright meandered in both sexes. Sternum brown or cream-beige medially and dark brown and yellow-brown on margin. Chelicerae brown proximally, beige and cream patterned distally, female: frontally with especially long spine and further robust spines, male: with long, fine spine. Legs brown to dark brown (female: sandy beige to brown beige), dorsally with fine, brown longitudinal stripes and median, white longitudinal line. Opisthosoma brown with irregular white margin and posteriorly thin, interrupted white to brown-beige transverse bands. Spinnerets brown and margined by fine white line.

Body length male: 5.8-6.8 mm
Body length female: 7.5-8.6 mm
Additional information

On shrubbery and trees, small bushes and low vegetation, only in higher levels, up to 2000 m

  No data
Global distribution (WSC 2019): North America, Europe, Russia (Europe to Far East)

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

07-01-2019 Distribution update Old value
12-07-2018 Image insert
30-09-2015 Distribution update Old value
28-04-2014 Distribution update Old value