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
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

Locket G H, Millidge A F (1953) British Spiders 2. Ray Soc London

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

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

World Spider Catalog (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.09.2019) doi: 10.24436/2

Updates
06-01-2020 Image insert
04-08-2017 Image insert
08-04-2016 Image insert
28-04-2014 Distribution update Old value
26-03-2013 Image insert