Xysticus ulmi (Hahn, 1831)
Description
Male palp with short, bent tegular apophyses directed pliers-like toward each other. Tibial apophysis bipartite, ventral apophysis transverse and strongly bulged on outer edge. Retrolateral tapering off in ventral view, compact in lateral view. Embolus with stamp-like flattened tip. Epigyne oval with 2 protruding bulges. Vulva consists of 2 S-shaped bulges. Prosoma light brown to ochre, sometimes pale yellow, dorsally with triangle, flanked by light beige stripes, lateral dark brown-black bands. Male: similar, but darker patterned overall. Sternum round, yellow-brown or beige. Chelicerae frontally with bright or white transverse band and spines. Legs bright, yellow-brown to brown. Dorsally with irregular white longitudinal stripes, in addition partly distinctly dark patterned. Femur and patella I and II darker. Opisthosoma light brown to ochre, sometimes pale yellow, with folium consisting of light beige stripes, posteriorly with 3 bright transverse lines.
Body length male: 3-4 mmBody length female: 5-8.3 mm
Additional information
in damp and dry areas, mainly in shore vegetation and wetland, on low vegetation, from lowland up to alpine region
Frequency: Not rare
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp
(Braendegaard 1972a)
Pedipalp, ventral view
(Roberts 1995)
Pedipalp, ventral view
(Locket & Millidge 1951)
Pedipalp, ventral view
(Jantscher 2001a)
Pedipalp
(Heimer & Nentwig 1991)
Pedipalp
(Azheganova 1968)
Pedipalp, retrolateral view
(Jantscher 2001a)
Pedipalp, ventral view
(Løvbrekke unpubl.)
Tegular apophysis
(Dondale et al. 2006)
Palpal tibia, retrolateral view
(Løvbrekke unpubl.)
Epigyne
(Roberts 1995)
Epigyne
(Braendegaard 1972a)
Epigyne
(Locket & Millidge 1951)
Epigyne
(Jantscher 2001a)
Epigyne
(Løvbrekke unpubl.)
Vulva
(Heimer & Nentwig 1991)
Vulva
(Azheganova 1968)
Vulva, dorsal view
(Jantscher 2001a)
Vulva
(Løvbrekke unpubl.)
Habitus
(Locket & Millidge 1951)
Habitus
(Azheganova 1968)
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 
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
Dondale C D, Kronestedt T, Buckle D J (2006) Confirmation of the presence of Xysticus chippewa in Europe (Araneae, Thomisidae). Bull Br arachnol Soc 13: 361-364
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 www.european-arachnology.org
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
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
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
| 11-11-2018 | Image insert |