Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   105 species

Xysticus luctuosus  (Blackwall, 1836)


Palp female: strongly spined. Male: tegulum with 2 sclerotised folds. Tibial apophysis bipartite, a furcated, rather small, ventral apophysis and in lateral view massive retrolateral apophysis narrowing toward the tip. Embolus with claw-like, strongly sclerotised terminal part. Epigyne with typical sclerotised structures in posterior lateral area of grooves. Epigynal groove distinctly more slender posteriorly than anteriorly. Vulva with strongly widened entrance duct, connecting broadly and in slightly transverse course to the horizontally lying receptacula. Prosoma red-brown, brown to dark brown, roughly spotted. Female: with striking bright and dark moon-like spots. Male: posterior median eyes surrounded by yellowish rings. Sternum round to longish oval, white spotted, margin dark brown. Chelicerae weakly spined frontally. Legs dark brown, with irregular, white spots, legs appear smooth and shining, patella (in females femur to tibia) with bright longitudinal line, otherwise no longitudinal stripes but spots on leg segments. Opisthosoma light red-brown, with vague, dark folium and interrupted longitudinal stripes. Spinnerets brown.

Body length male: 4-5 mm
Body length female: 5.5-8 mm
Additional information

On the ground and in herbaceous layer of forests, partly in humid places, occurring from lowland to mountainous level

Frequency: Not frequent

  No data
Global distribution (WSC 2018): North America, Europe, Turkey, Caucasus, Russia (European to Far East), Kazakhstan
 male  female

Bayram A, Kunt K B, Danişman T (2017) The checklist of the spiders of Turkey. Version 2017 [last updated 11 January 2017], online at

Blagoev G, Deltshev C, Lazarov S, Naumova M (2017) The spiders (Araneae) of Bulgaria. Version: October 2017. National Museum of Natural History, Bulgarian Academy of Sciences. Online at (accessed on 12.10.2017)

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

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

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

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

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:

Pantini P, Isaia M (2017) Checklist of the Italian spiders (version May 2017). online at

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

van Helsdingen P J (1986a) The Porrhomma microphthalmum species-group. Bull Br Arachnol Soc 7: 11-16

World Spider Catalog (2018) World Spider Catalog. Natural History Museum Bern, online at, version 19.0, accessed on 14.01.2018. doi: 10.24436/2

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