Linyphiidae  Blackwall, 1859 / Walckenaeria  Blackwall, 1833   63 species

Walckenaeria unicornis  O. Pickard-Cambridge, 1861

Description

Tibial apophysis with 2 bent processes. Epigyne with ± parallel margins of lateral epigynal plates, Y-like diverging anteriorly. Prosoma dark brown. Legs red-orange. Opisthosoma almost black.

Body length male: 1.7-2.2 mm
Body length female: 2-2.5 mm
Additional information

Prefers humid conditions, not bound to a certain habitat

Frequency: Locally frequent

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2020): Europe, Russia (Europe to West Siberia), Kazakhstan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Austria   (no references) ||| Belarus   (Ivanov, 2013) ||| Belgium   (no references) ||| Czechia   (no references) ||| Denmark   (no references) ||| Estonia   (no references) ||| Finland   (Koponen et al., 2016) ||| France   (no references) ||| Germany   (no references) ||| Hungary   (no references) ||| Ireland   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Latvia   (Cera, 2018) ||| Lithuania   (no references) ||| Luxembourg   (Kreuels et al., 2019) ||| Netherlands   (no references) ||| Northern Ireland   (no references) ||| Norway   (no references) ||| Poland   (no references) ||| Russia, Central   (no references) ||| Russia, Eastern   (no references) ||| Russia, Northern   (no references) ||| Russia, Western   (no references) ||| Slovakia   (no references) ||| Sweden   (no references) ||| Switzerland   (no references) ||| Ukraine   (Polchaninova & Prokopenko, 2019) ||| United Kingdom   (no references) |||
References

Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 pdf

Fjellberg A (unpubl.)

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

Ivanov V V (2013) The checklist of Belarusian spiders (Arachnida, Araneae). Zoology and Ecology 4: 293-311 pdf

Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm pdf

Kreuels M, Staudt A, Christian S (2019) Die Spinnenfauna von Luxemburg – eine Zusammenstellung der Nachweise aus den Jahren 1906-2018 (Arachnida: Araneae). Bulletin de la Société des naturalistes luxembourgeois 121: 203-230 pdf

Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp. pdf

Løvbrekke H (unpubl.)

Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). http://araneae.it. Fragmenta Entomologica 51: 127-152 pdf

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp. pdf

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

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2 pdf

Updates
14-05-2020 Distribution insert Detail
06-01-2020 Image insert
04-08-2017 Image insert
08-04-2016 Image insert
28-04-2014 Distribution update Detail
26-03-2013 Image insert