Apostenus fuscus Westring, 1851
Description
Prosoma orange-brown. Opisthosoma orange-brown, with bright pattern.
Body length male: 2.7-3.3 mmBody length female: 3-3.9 mm
Additional information
In open forests, heathland, scree slopes, quarries and caves, in litter or under stones during the day
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp, retrolateral view
(Brændegaard 1966)
Pedipalp, retrolateral view
(Sterghiu 1985)
Pedipalp, retrolateral view
(Roberts 1995)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Pedipalp, ventral view
(Løvbrekke unpubl.)
Pedipalp, ventral view
(Bosselaers 2024)
Pedipalp, retrolateral view
(Grimm 1986)
Pedipalp, ventral view
(Grimm 1986)
Pedipalp, retrolateral view
(Almquist 2007)
Pedipalp, ventral view
(Almquist 2007)
Epigyne
(Brændegaard 1966)
Epigyne
(Roberts 1995)
Epigyne
(Fjellberg unpubl.)
Epigyne
(Fjellberg unpubl.)
Epigyne
(Løvbrekke unpubl.)
Epigyne
(Grimm 1986)
Epigyne
(Almquist 2007)
Epigyne, with mating plug
(Almquist 2007)
Vulva, dorsal view
(Tullgren 1946)
Vulva, ventral view
(Tullgren 1946)
Vulva
(Løvbrekke unpubl.)
Vulva
(Fjellberg unpubl.)
Vulva, dorsal view
(Grimm 1986)
Vulva, dorsal view
(Almquist 2007)
Chelicerae and eyes, frontal view
(Almquist 2007)
Tibia and metatarsus I, retrolateral view
(Almquist 2007)
Habitus, dorsal view
(Almquist 2007)
Eyes, dorsal view
(Sterghiu 1985)
Habitus
(Sterghiu 1985)
Habitus, dorsal view
(Grimm 1986)
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 
Almquist S (2007) Swedish Araneae, part 2 – families Dictynidae to Salticidae. Insect Systematics & Evolution, Supplement 63(2006): 285-601
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)
Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510
Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69
Bosselaers J (2024) Studies in Liocranidae IV: Scotina occulta, Liocranum concolor and a key to the Euro-Mediterranean genera (Araneae, Liocranidae). Journal of the Belgian Arachnological Society 39: 6-20
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Brændegaard J (1966) Edderkopper: Eller Spindlere I Danmarks Fauna 72: 1-224
Cardoso P, Morano E (2010) The Iberian spider checklist (Araneae). Zootaxa 2495: 1-52
Danışman T, Kunt K B, Özkütük R S, Coşar İ (2025a) The checklist of the spiders of Turkey. Version 2025 [last updated 01 December 2025], online at http://www.spidersofturkey.info
Fjellberg A (unpubl.) .
Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.
Geci D, Naumova M (2021b) A preliminary checklist of the spiders of Kosovo (Arachnida: Araneae). Ecologia Balkanica, Special Edition 4: 11-28
Grbić G, Hänggi A (2023) Additional spider records from Mt. Fruška Gora (Serbia) with a first insight into winter species. Acta Entomologica Serbica 27(2, 2022): 67-81
Grimm U (1986) Die Clubionidae Mitteleuropas: Corinninae und Liocranidae (Arachnida, Araneae). Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 27: 1-91
Helsdingen P J van (2025a) Catalogus van de Nederlandse spinnen. Versie 2025.1. 249 pp.
Hirna A, Zhukovets E (2022) Catalogue of spiders (Arachnida, Araneae) of the Lviv oblast (Ukraine). National Academy of Sciences of Ukraine, Institute of Ecology of the Carpathians, Lviv, 311 pp.
Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204
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
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
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Løvbrekke H (unpubl.)
Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12
Roberts M J (1995) Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 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
Rucner D, Rucner R (1995) Beitrag zur Kenntnis einiger Arthropoden Scorpiones, Pseudoscorpiones, Araneae, Acari, Diplopoda und Chilopoda in den Waldassoziationen Kroatiens. Natura Croatica 4: 185-225
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
Scharff N, Gudik-Sørensen O (2006) Katalog over Danmarks edderkopper (Araneae). Catalogue of the spiders of Denmark (Araneae). Entomologiske Meddelelser 74: 3-71
Staudt A, Weber D, Nährig D (2013) Webspinnen (Arachnida, Araneae) aus Höhlen des Großherzogtums Luxemburg. Ferrantia 69: 115-157
Sterghiu C (1985) Fam. Clubionidae. Fauna Republicii Socialiste România (Arachnida) 5 (4): 1-168
Thaler K (1997c) Beiträge zur Spinnenfauna von Nordtirol - 4: Dionycha (Anyphaenidae, Clubionidae, Heteropodidae, Liocranidae, Philodromidae, Salticidae, Thomisidae, Zoridae). Veröffentlichungen des Museum Ferdinandeum in Innsbruck 77: 233-285
Tullgren A (1946) Svensk spindelfauna. 3. Egentiliga spinddlar. Araneae Fam 5-7. Clubionidae, Zoridae och Gnaphosidae. Stockholm (Entomol Fören.): 141 pp.
Van Keer J, Van Keer K, De Koninck H, Ramel G (2010) The arachnofauna (Araneae) of wetland Kerkini (Macedonia-Northern Central Greece). Acta Zoologica Bulgarica 62: 141-160
Weiss I, Petrișor A (1999) List of the spiders (Arachnida: Araneae) from Romania. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 41: 79-107
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2
Updates
| 28-07-2025 | Image insert | |
| 24-07-2025 | Image insert | |
| 22-07-2025 | Distribution update | Detail |
| 04-06-2025 | Distribution update | Detail |
| 15-09-2024 | Image insert | |
| 20-06-2021 | Distribution insert | Detail |
| 20-06-2021 | Distribution update | Detail |
| 24-03-2021 | Image insert | |
| 15-07-2020 | Distribution update | Detail |
| 23-12-2019 | Image insert | |
| 06-02-2019 | Distribution update | Detail |
| 03-08-2017 | Image insert | |
| 24-09-2015 | Distribution update | Detail |
| 28-04-2013 | Distribution update | Detail |