Gnaphosidae  Banks, 1892 / Gnaphosa  Latreille, 1804   71 species

Gnaphosa muscorum (L. Koch, 1866)

Description

Bulbus with robust, bent apophysis (can break off). Embolus long and whip-like. Epigyne with scapus wider than long. Prosoma bright red-brown to black-brown, eye region darker. Legs darker. Opisthosoma bright red-brown to black-brown.

Body length male: 7.3-9.5 mm
Body length female: 7.5-15 mm
Additional information

In open and dry coniferous forests and heathland, under moss, bark or stones during the day, up to 2500 m.

Distribution
  Presence
  No data
Distribution comment: Occurrence in the Caucasus needs to be verified (Otto 2022)
Global distribution (WSC 2026): North America, Europe, Caucasus, Russia (Europe to Far East), Kazakhstan, China, Korea
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Austria   (Thaler & Knoflach, 2004b) ||| Bulgaria   (Blagoev et al., 2018) ||| Finland   (Koponen et al., 2016) ||| France   (Le Peru, 2007) ||| Georgia   (Otto, 2022) ||| Germany   (Blick et al., 2016; Kielhorn, 2016) ||| Italy   (Isaia et al., 2025) ||| Latvia   (Cera, 2018) ||| Lithuania   (Biteniekytė & Rėlys, 2012) ||| Moldova   (Vasiliev & Mikhailov, 2023) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (Rozwałka & Stanska, 2008) ||| Romania   (Weiss & Petrișor, 1999) ||| Russia, Central   (Ponomarev, 2022) ||| Russia, Eastern   (Esyunin & Efimik, 1996a) ||| Russia, Northern   (Esyunin & Efimik, 1996a) ||| Serbia   (Grbić et al., 2021) ||| Slovakia   (Gajdoš et al., 1999) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (Maurer & Hänggi, 1990) ||| Turkey (Asia)   (Danışman et al., 2025a) ||| Ukraine   (Hirna et al., 2020) |||
References

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

Almquist S (2007) Swedish Araneae, part 2 – families Dictynidae to Salticidae. Insect Systematics & Evolution, Supplement 63(2006): 285-601 pdf

Biteniekytė M, Rėlys V (2012) The checklist of Lithuanian spiders (Arachnida: Araneae). Biologija 57: 148-158 pdf

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) pdf

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 pdf

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 pdf

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 pdf

Esyunin S L, Efimik V E (1996a) Catalogue of the spiders (Arachnida, Aranei) of the Urals. KMK Scientific Press, Moscow, 228 pp. pdf

Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.

Grbić G, Hänggi A, Krnjajić S (2021) Spiders (Araneae) of Subotica Sandland (Serbia): additional arguments in environmental protection. Acta Zoologica Academiae Scientiarum Hungaricae 67: 15-61 pdf

Grimm U (1985) Die Gnaphosidae Mitteleuropas (Arachnida, Araneae). Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 26: 1-318 pdf

Hirna A, Kanarsky Y, Yavornytsky V (2020) [Spiders and carabid beetles as the elements of arthropod’s diversity in ecosystems of Lva-Stvyga inter-river area (Rivne province, Ukraine)]. Visnyk of Lviv University, Biological Series 82: 89-100 pdf

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 pdf

Kielhorn K-H (2016) Beitrag zur Kenntnis der Webspinnen und Weberknechte in Berlin und Brandenburg. Märkische Entomologische Nachrichten 17(2): 261-286 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

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

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

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 pdf

Løvbrekke H (unpubl.)

Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12 pdf

Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.

Ovtsharenko V I, Platnick N I, Song D X (1992) A review of the North Asian ground spiders of the genus Gnaphosa (Araneae, Gnaphosidae). Bulletin of the American Museum of Natural History 212: 1-88 pdf

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. pdf

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 pdf

Thaler K, Knoflach B (2004b) Zur Faunistik der Spinnen (Araneae) von Österreich: Gnaphosidae, Thomisidae (Dionycha pro parte). Linzer Biologische Beiträge 36: 417-484 pdf

Tullgren A (1946) Svensk spindelfauna. 3. Egentiliga spinddlar. Araneae Fam 5-7. Clubionidae, Zoridae och Gnaphosidae. Stockholm (Entomol Fören.): 141 pp. pdf

Vasiliev A I, Mikhailov K G (2023) Annotated checklist of spiders (Araneae) of the Republic of Moldova. Invertebrate Zoology 20: 307-342 pdf

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 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2 pdf

Updates
17-12-2025 Image insert
24-07-2025 Distribution update Detail
14-01-2025 Image insert
10-11-2023 Distribution update Detail
10-11-2023 Distribution insert Detail
21-11-2022 Distribution insert Detail
24-03-2021 Image insert
22-07-2019 Distribution update Detail
13-03-2018 Image insert