Walckenaeria kochi (O. Pickard-Cambridge, 1873)
Description
Embolus large, spiral. Epigyne with median region hourglass-shaped, widest posteriorly. Prosoma dark brown, male: end of cone-shaped tubercle forwardly bent. Legs yellow-brown. Opisthosoma almost black.
Body length male: 2.2-2.6 mmBody length female: 2.6-3 mm
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp, ventral view
(Wiehle 1960a)
Pedipalp
(Roberts 1987)
Pedipalp
(Locket & Millidge 1953)
Pedipalp
(Roberts 1987)
Pedipalp
(Wiehle 1960a)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Tip of tibial apophysis
(Wiehle 1960a)
Tibial apophysis
(Locket & Millidge 1953)
Tibial apophysis, dorsal view
(Løvbrekke unpubl.)
Prosoma, frontal view
(Wiehle 1960a)
Prosoma, lateral and dorsal view
(Roberts 1987)
Prosoma, lateral view
(Løvbrekke unpubl.)
Eyes, frontal view
(Locket & Millidge 1953)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Wiehle 1960a)
Epigyne
(Løvbrekke unpubl.)
Epigyne
(Lecigne 2018b)
Vulva
(Wiehle 1960a)
Vulva
(Løvbrekke unpubl.)
Vulva
(Fjellberg unpubl.)
Prosoma, lateral view
(Løvbrekke unpubl.)
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.
References
Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 
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)
Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69
Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152
Fjellberg A (unpubl.)
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
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
Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001]
Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212
Lecigne S (2018b) Récits de chasses aranéologiques récentes dans plusieurs départements de France. Redécouverte de Philodromus buchari Kubcová, 2004 (Araneae: Philodromidae) et confirmation de la présence de Theridion harmsi Wunderlich, 2011 (Araneae: Theridiidae). Nieuwsbrief van de Belgische Arachnologische Vereniging 33: 59-99
Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp.
Løvbrekke H (unpubl.)
Nekhaeva A A (2020) On the spider fauna (Arachnida: Aranei) of the Kanin Peninsula and Kolguev Island, Nenets Autonomous Okrug, Russia. Arthropoda Selecta 29: 387-398
Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App
Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 pp.
Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp.
Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html
Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html
Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184
Ukhova N, Esyunin S, Sozontov A (2024) Spiders (Arachnida, Araneae) of the Visimskiy Biosphere Reserve (Middle Urals): 37 years of arachnological research. Biodiversity Data Journal 12(e114930): 1-37
Wiehle H (1960a) Spinnentiere oder Arachnoidea (Araneae). XI. Micryphantidae-Zwergspinnen. Die Tierwelt Deutschlands 47: 1-620
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