Theridiidae  Sundevall, 1833 / Steatoda  Sundevall, 1833   19 species

Steatoda bipunctata  (Linnaeus, 1758)

Description

Conductor very big. Epigyne with ± square groove. Prosoma red-brown, wrinkled. Sternum red-brown, wrinkled. Chelicerae dark brown, shiny. Legs red-brown, darkly annulated. Opisthosoma mostly reddish brown with yellowish pattern, sometimes black-brown with vague bright longitudinal stripe.

Body length male: 4-5.5 mm
Body length female: 4.5-7 mm
Additional information

Very often in buildings, on bark and on rocks, up to 2000 m. Egg sacs white, attached to the web, they contain 50 to 100 pink eggs.

Frequency: Widely distributed

Distribution
  Presence
  No data
Global distribution (WSC 2021): Europe, North Africa, Turkey, Israel, Caucasus, Russia (Europe to Far East), Kazakhstan, Iran, Central Asia, China. Introduced to Canada, South America
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Albania   (Deltshev et al., 2011b) ||| Austria   (no references) ||| Azerbaijan   (Otto, 2020) ||| Belarus   (Ivanov, 2013) ||| Belgium   (no references) ||| Bosnia and Herzegovina   (Komnenov, 2010) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (no references) ||| Czechia   (no references) ||| Denmark   (no references) ||| Estonia   (no references) ||| Faroe Islands   (Lissner et al., 2016b) ||| Finland   (Koponen et al., 2016) ||| France   (no references) ||| Georgia   (Otto, 2020) ||| Germany   (no references) ||| Greece   (no references) ||| Hungary   (Samu & Szinetár, 1999) ||| Ireland   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Italy / Sicily   (Pantini & Isaia, 2019) ||| Kosovo  Removed (Geci & Naumova, 2021b) ||| Latvia   (Cera, 2018) ||| Liechtenstein   (no references) ||| Lithuania   (no references) ||| Luxembourg   (Kreuels et al., 2019) ||| Moldova   (no references) ||| Montenegro   (no references) ||| Netherlands   (no references) ||| North Macedonia   (no references) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (no references) ||| Portugal   (Branco et al., 2019) ||| Romania   (no references) ||| Russia, Central   (no references) ||| Russia, Eastern   (no references) ||| Russia, Northern   (no references) ||| Russia, Southern   (Otto, 2020) ||| Russia, Western   (no references) ||| Serbia   (Geci & Naumova, 2021b) ||| Slovakia   (no references) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| Turkey (Asia)   (Danışman et al., 2021a) ||| Ukraine   (Polchaninova & Prokopenko, 2019) ||| United Kingdom   (no references) |||
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

Azheganova N S (1968) Kratkii opredelitel' paukov (Aranei) lesnoi i lesostepnoi zony SSSR. Akademia Nauk SSSR, 149pp. 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

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 (2021a) The checklist of the spiders of Turkey. Version 2021 [last updated 1 January 2021], online at http://www.spidersofturkey.info pdf

Deltshev C, Vrenozi B, Blagoev G, Lazarov S (2011b) Spiders of Albania – faunistic and zoogeographical review (Arachnida: Araneae). Acta Zoologica Bulgarica 63: 125-144 pdf

Geci D, Naumova M (2021b) A preliminary checklist of the spiders of Kosovo (Arachnida: Araneae). Ecologia Balkanica, Special Edition 4: 11-28 pdf

Ivanov V V (2013) The checklist of Belarusian spiders (Arachnida, Araneae). Zoology and Ecology 4: 293-311 pdf

Khasayeva S I, Huseynov E F (2019) New records of spiders (Arachnida, Aranei) from Azerbaijan. Euroasian Entomological Journal 18: 357-361 pdf

Komnenov M (2010) Checklist of spiders (Araneae) of Bosnia and Herzegovina. Uzizaž i Biospeld 5(2009): 52-69 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

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 pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] 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, Merrett P (1974) British Spiders, Volume III. Ray Society, London, 315 pp. pdf

Løvbrekke H (unpubl.)

Otto S (2020) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 03.2020. 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 pdf

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App pdf

Roberts M J (1995) Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 pp. pdf

Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184 pdf

Wiehle H (1937) Spinnentiere oder Arachnoidea, VIII. 26: Familie Theridiidae oder Haubennetzspinnen (Kugelspinnen). Die Tierwelt Deutschlands 33: 119-222 pdf

WSC (2021) World Spider Catalog. Version 22.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (29.05.2021) doi: 10.24436/2 pdf

Updates
07-07-2021 Image insert
19-06-2021 Distribution update Detail
04-03-2021 Gallery image insert
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