Walckenaeria monoceros (Wider, 1834)
Description
Epigyne with only vague median epigynal plate. Prosoma brown to dark brown, male: tuft of bent plumose hairs between anterior and posterior median eyes. Legs yellow-brown to orange. Opisthosoma grey-black.
Body length male: 2.3-2.4 mmBody length female: 2.4-2.7 mm
Distribution
Phenology
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Figures
Pedipalp, retrolateral view
(Wiehle 1960a)
Pedipalp
(Roberts 1987)
Pedipalp
(Locket & Millidge 1953)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Pedipalp, retrolateral view
(Seropian et al. 2023b)
Palpal tibia, dorsal view
(Løvbrekke unpubl.)
Palpal tibia, dorsal view
(Seropian et al. 2023b)
Tibial apophysis, prolateral view
(Wiehle 1960a)
Tibial apophysis
(Locket & Millidge 1953)
Prosoma, lateral view
(Roberts 1987)
Prosoma, lateral view
(Locket & Millidge 1953)
Prosoma, lateral view
(Wiehle 1960a)
Prosoma, lateral view
(Løvbrekke unpubl.)
Epigyne
(Wiehle 1960a)
Epigyne
(Roberts 1987)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Roberts 1987)
Epigyne
(Løvbrekke unpubl.)
Vulva
(Wiehle 1960a)
Vulva
(Løvbrekke 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 
Arnold K (2001) Beitrag zur Spinnenfauna (Arachnida, Araneae) des Fürstentums Liechtenstein. Berichte der Botanisch-Zoologischen Gesellschaft Liechtenstein-Sargans-Werdenberg 28: 211-244
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
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Dentici A, Amata F C (2024) New data on the arachnofauna (Arachnidae Araneae Opiliones) of Enna and surrounding areas (Sicily, Italy) with some first reports for Sicily. Biodiversity Journal 15: 363-375
Hermann E (1998) Die Spinnen (Araneae) ausgewählter Halbtrockenrasen im Osten Luxemburgs. Bulletin de la Société des naturalistes Luxembourgeois 99: 189-199
Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267
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
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
Kovblyuk M M, Kastrygina Z A (2015b) Updated catalogue of the spiders (Arachnida, Aranei) of the Crimea. Ukainska Entomofaunistyka 6(2): 1-81
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]
Kůrka A, Naumova M, Indzhov S, Deltshev C (2020) New faunistic and taxonomic data on the spider fauna of Albania (Arachnida: Araneae). Arachnologische Mitteilungen 59: 8-21
Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212
Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp.
Løvbrekke H (unpubl.)
Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.
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
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
Seropian A, Bulbulashvili N, Otto S, Krammer H-J, Kachlishvili N, Datunashvili A (2023b) Picking pearls from the Silk Road: insights into the spider (Arachnida, Araneae) diversity in Georgia from the Caucasus barcode of life project. Part II. Caucasiana 2: 231-297
Vasiliev A I, Mikhailov K G (2023) Annotated checklist of spiders (Araneae) of the Republic of Moldova. Invertebrate Zoology 20: 307-342
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