Resources:
Linyphiidae  Blackwall, 1859 / Walckenaeria  Blackwall, 1833   62 species

Walckenaeria clavicornis  (Emerton, 1882)

Description

Tibial apophysis with 2 crossing processes. Epigyne with 2 tongue-shaped plates, reaching far beyond epigastric furrow. Prosoma orange-brown to dark brown with blackish pattern. Legs brown, to orange-brown. Opisthosoma grey-black.

Body length male: 2-2.5 mm
Body length female: 2-2.7 mm
Additional information

In soil crevices with high humidity

Character states from linyphiid key
Distribution
  Presence
  Not established
  No data
Global distribution (WSC 2024): North America, Europe, Russia (Europe to Far East), China, Mongolia, Japan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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.

Austria   (no references) ||| Faroe Islands   (Lissner et al., 2016b) ||| Finland   (Koponen et al., 2016) ||| France  Removed (Danflous et al., 2020b) ||| Iceland   (Agnarsson, 1996) ||| Ireland   (Lavery, 2019) ||| Italy   (Pantini & Isaia, 2019) ||| Liechtenstein   (Arnold, 2001) ||| Netherlands   (Heuts & van Helsdingen, 2009) ||| Northern Ireland   (Lavery, 2019) ||| Norway   (Aakra & Hauge, 2003) ||| Russia, Northern   (no references) ||| Russia, Novaya Zemlya   (Tanasevitch, 2018) ||| Svalbard   (Dahl et al., 2018) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| United Kingdom   (Lavery, 2019) |||
References

Aadland B (unpubl.) .

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 pdf

Agnarsson I (1996) Íslenskar köngulær Fjölrit Náttúrufræðistofnunar 31: 1-175 pdf

Arnold K (2001) Beitrag zur Spinnenfauna (Arachnida, Araneae) des Fürstentums Liechtenstein. Berichte der Botanisch-Zoologischen Gesellschaft Liechtenstein-Sargans-Werdenberg 28: 211-244 pdf

Dahl M T, Yoccoz N G, Aakra K, Coulson S J (2018) The Araneae of Svalbard: the relationships between specific environmental factors and spider assemblages in the High Arctic. Polar Biology 41: 839-853 pdf

Danflous S, Déjean S, Guerbaa K, Jacquet C, Lecigne S, Montagne D, Montardi Y, Villepoux O (2020b) De araneis Galliae IV. Actualisation du référentiel des araignées de France – première note. Espèces absentes de France ou mises en nomen dubium. Bulletin de l'Association Française d'Arachnologie 5: 10-32 pdf

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Heuts B, Helsdingen P J van (2009) First record of Walckenaeria clavicornis (Araneae, Linyphiidae) in the Netherlands. Nieuwsbrief SPINED 27: 27-28 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

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

Lissner J, Jensen J-K, Hansen L J, Simonsen W, Kelduni R, Nissen K (2016b) An updated checklist of spiders (Araneae) of the Faroe Islands. Norwegian Journal of Entomology 63: 197-240 pdf

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

Locket G H, Millidge A F, Merrett P (1974) British Spiders, Volume III. Ray Society, London, 315 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). Fragmenta Entomologica 51: 127-152 pdf

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

Tanasevitch A V (2018) New data on spiders (Aranei) from the Novaya Zemlya Archipelago and Siberian Arctic, Russia. Arthropoda Selecta 27: 69-71 pdf

WSC (2024) World Spider Catalog. Version 25.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (22.01.2024) doi: 10.24436/2 pdf

Updates
17-11-2022 Image insert
05-10-2020 Distribution insert Detail
24-05-2020 Distribution update Detail
05-05-2020 Distribution update Detail
25-03-2018 Distribution update Detail
15-12-2017 Image insert
16-10-2013 Distribution update Detail