Xysticus ferrugineus Menge, 1876
Description
Male
Male palp with pointed, hammer-shaped, median tegular apophysis and a long, pointed, tooth-like lateral tegular apophysis and a transparent membrane lying behind it. Tibial apophysis broad and robust, ventrally attached in the middle. Lateral apophysis inconspicuous, broad, elongated and slightly bent distally. Embolus characteristic, projecting from tegulum. Prosoma dark brown to light brown with U- or V-shaped cream pattern. Sternum beige, sometimes spotted brown and yellow-brown on margin, longish oval, shield-like to slightly roundish shape. Chelicerae longish, slender with broad, beige and brown stripes, frontally with one longer and several lesser pronounced spines. Legs beige to brown, slightly darker dorsally. Tarsus and metatarsus unicoloured brown. Other leg segments often medially with cream longitudinal stripes. Opisthosoma dark to light brown (female rather hazelnut brown to olive-brown) with cream or white margin, dorsal pattern fir-tree-like, light brown, beige, 5 sigilla, 3 of them clearly visible. Spinnerets brown to light brown, partly margined cream.
Body length male: 3.4-5.3 mmFemale
Epigyne with almond-shaped, transverse flat-margined epigynal groove and broad, median septum. Vulva with strongly widened entrance duct, that opens posteriorly into the slightly transverse receptacula after one bend.
Body length female: 5.3-8.2 mmDistribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp, ventral view
(Pesarini 2000)
Pedipalp, ventral view
(Roberts 1998)
Pedipalp, ventral view
(Jantscher 2001a)
Pedipalp, retrolateral view
(Jantscher 2001a)
Epigyne
(Roberts 1995)
Epigyne
(Pesarini 2000)
Epigyne
(Jantscher 2001a)
Epigyne
(Jantscher 2001a)
Epigyne
(Jantscher 2001a)
Epigyne
(Jantscher 2001a)
Vulva, dorsal view
(Jantscher 2001a)
Vulva, dorsal view
(Jantscher 2001a)
Vulva, dorsal view
(Jantscher 2001a)
Vulva, dorsal view
(Jantscher 2001a)
Vulva, dorsal view
(Jantscher 2001a)
Distribution List
"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.
References
Blagoev G (2002) Check list of Macedonian spiders (Araneae). Acta Zoologica Bulgarica 54: 9-34 
Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510
Bosmans R, Chatzaki M (2005) A catalogue of the spiders of Greece – a critical review of all spider species cited from Greece with their localities. Nieuwsbrief van de Belgische arachnologische Vereniging 20 (2, suppl.): 1-124
Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Danışman T, Kunt K B, Özkütük R S, Coşar İ (2025a) The checklist of the spiders of Turkey. Version 2025 [last updated 01 December 2025], online at http://www.spidersofturkey.info
Deltshev C D, Ćurčić B P M, Blagoev GA (2003b) The spiders of Serbia. Inst. Zoology, Fac. Biology, Belgrade & Inst. Zoology, Bulg. Acad. Sci., Sofia. 832 pp.
Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.
Helsdingen P J van (2025a) Catalogus van de Nederlandse spinnen. Versie 2025.1. 249 pp.
Horak P, Kropf C (2009) Die Spinnenfauna eines Waldrandes in Thal bei Graz, Österreich (Arachnida: Araneae). Contributions to Natural History 12: 659-679
Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204
Jantscher E (2001a) Revision der Krabbenspinnengattung Xysticus C.L. Koch, 1835 (Araneae, Thomisidae) in Zentraleuropa. Dissertation, Univ. Graz, 328 pp., 81 pls.
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Pesarini C (2000) Contributo alla conoscenza della fauna araneologica italiana (Araneae). Memorie della Società Entomologica Italiana 78: 379-393
Roberts M J (1995) Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 pp.
Roberts M J (1998) Spinnengids. Tirion, Baarn, Netherlands, 397 pp.
Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html
Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html
Vasiliev A I, Mikhailov K G (2023) Annotated checklist of spiders (Araneae) of the Republic of Moldova. Invertebrate Zoology 20: 307-342
Vrenozi B, Jäger P (2013) Spiders (Araneae) from Albania and Kosovo in the collection of Carl Friedrich Roewer. Arachnologische Mitteilungen 46: 17-26
Weiss I, Petrișor A (1999) List of the spiders (Arachnida: Araneae) from Romania. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 41: 79-107
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2