Linyphiidae  Blackwall, 1859 / Walckenaeria  Blackwall, 1833   53 species

Walckenaeria atrotibialis  (O. P.-Cambridge, 1878)

Description

Male palp with 2 ± equally long tibial apophyses. Anterior margin of median epigynal plate inwardly bent. Prosoma light to red-brown, dark radial stripes. Male: elevated step-like anteriorly, with distinct depression in the middle of dorsal line.

Body length male: 2-2.4 mm
Body length female: 2.2-3 mm

Frequency: relatively rarely found

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2018): North America, Europe, Turkey, Caucasus, Russia (Sibiria)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
References

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 (2018a) The checklist of the spiders of Turkey. Version 2017 [last updated 2 September 2018], online at http://www.spidersofturkey.info

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

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

Locket G H, Millidge A F (1953) British Spiders 2. 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 (2017) Checklist of the Italian spiders (version May 2017). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester

Van Keer J, Van Keer K, De Koninck H, Ramel G (2010) The arachnofauna (Araneae) of wetland Kerkini (Macedonia-Northern Central Greece). Act zool Bulg 62: 141-160

Wiehle H (1960a) Spinnentiere oder Arachnoidea (Araneae). XI. Micryphantidae-Zwergspinnen. Tierwelt Deutschlands 47: 1-620

World Spider Catalog (2018) World Spider Catalog, version 19.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (15.07.2018) doi: 10.24436/2

Updates
04-08-2017 Image insert
16-08-2016 Image insert
24-09-2015 Distribution update Old value
24-06-2014 Image insert