Theridiidae  Sundevall, 1833 / Steatoda  Sundevall, 1833   20 species

Steatoda triangulosa  (Walckenaer, 1802)

Description
Male

Conductor long and bent. Tibia of male palpal longer than cymbium. Prosoma red-brown, wrinkled, 1.6-2 mm long. Sternum red-brown, wrinkled. Chelicerae brown, shiny. Legs yellowish, to bright red-brown, all segments sometimes distally darkened. Opisthosoma dark brown to almost black, pattern yellowish, sometimes broken into single spots.

Body length male: 3.5-5.0 mm
Female

Epigyne small and rounded. Prosoma 1.8-2 mm long. Colouration as in male.

Body length female: 3.5-8.6 mm
Additional information

Only in buildings in Central Europe, at dry, sunny places under stones in the south, in caves, dunes, forests, garrigue, fallow land, marshes, rocky seashore, littoral salty areas.

Since a few decades, this species shows some spreading tendencies within Europe. Nevertheless, it shall not be listed as alien or invasive because it is native for Europe.

Distribution
  Presence
  No data
Global distribution (WSC 2024): Europe, North Africa, Turkey, Caucasus, Russia (Europe to Far East), Jordan, Iraq, Iran, Kazakhstan, Central Asia, India, China, Korea. Introduced to Canada, USA, Argentina, Canary Is., South Africa
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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.

Albania   (Deltshev et al., 2011b; Vrenozi, 2012; Blick, 2018) ||| Algeria   (Benhacene et al., 2023) ||| Andorra   (Branco et al., 2019) ||| Armenia   (Zarikian, 2022b) ||| Austria   (no references) ||| Azerbaijan   (Otto, 2022) ||| Belgium   (Bosmans & Van Keer, 2017) ||| Bosnia and Herzegovina   (Stanković & Ćurĉić, 2020) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (Milosevic, 2002) ||| Cyprus   (Bosmans et al., 2019c) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Denmark   (Lissner & Scharff, 2019) ||| Egypt   (Bosmans, unpubl.) ||| France   (no references) ||| France / Corsica   (Le Peru, 2007) ||| Georgia   (Otto, 2022) ||| Germany   (no references) ||| Greece   (Van Keer et al., 2024) ||| Greece / Crete   (no references) ||| Hungary   (Samu & Szinetár, 1999) ||| Italy   (Pantini & Isaia, 2019) ||| Italy / Sardinia   (Pantini & Isaia, 2019) ||| Italy / Sicily   (Pantini & Isaia, 2019) ||| Kosovo   (Geci & Naumova, 2021b) ||| Latvia   (Cera, 2018) ||| Libya   (Bosmans, unpubl.) ||| Luxembourg   (Kreuels et al., 2019) ||| Malta   (Pfliegler et al., 2017) ||| Moldova   (Vasiliev & Mikhailov, 2023) ||| Montenegro   (Naumova et al., 2019a) ||| Morocco   (Bosmans, unpubl.) ||| Netherlands   (no references) ||| North Macedonia   (Komnenov, 2014) ||| Poland   (Rozwałka et al., 2013) ||| Portugal   (Branco et al., 2019) ||| Romania   (no references) ||| Russia, Central   (no references) ||| Russia, Eastern   (no references) ||| Russia, Northern   (no references) ||| Russia, Southern   (Otto, 2022; Ponomarev, 2022) ||| Serbia   (no references) ||| Slovakia   (no references) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Spain / Balearic Islands   (Branco et al., 2019) ||| Switzerland   (no references) ||| Tunisia   (Bosmans, unpubl.) ||| Turkey (Asia)   (Danışman et al., 2024a) ||| Turkey (Europe)   (Danışman et al., 2024a) ||| Ukraine   (Polchaninova & Prokopenko, 2019) ||| United Kingdom   (Lavery, 2019) |||
References

Benhacene R, Adjami A, Hadjeb A, Kermiche K, Ouakid M L (2023) Bibliographic checklist of the Algerian spider fauna (Araneae). Zootaxa 5352: 301-357 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 (2018) A small collection of spiders (Arachnida: Araneae) from the River Vjosa, Albania – with an updated spider checklist of Albania. Acta ZooBot Austria 155: 213-232 pdf

Bosmans R, Van Keer J, Russell-Smith A, Hadjiconstantis M, Komnenov M, Bosselaers J, Huber S, McCowan D, Snazell R, Decae A, Zoumides C, Kielhorn K-H, Oger P (2019c) Spiders of Cyprus (Araneae). A catalogue of all currently known species from Cyprus. Newsletter of the Belgian Arachnological Society 34, Suppl. 1: 1-173 pdf

Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69 pdf

Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019

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 (2024a) The checklist of the spiders of Turkey. Version 2024 [last updated 01 January 2024], 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

Faúndez E I, Carvajal M A (2016) The spider genus Steatoda Sundevall, 1833 (Araneae: Theridiidae) in the State of North Dakota (USA). Revista Ibérica de Aracnología 29: 83-85 pdf

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

Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267 pdf

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

Kovács G, Szinetár C (2024) Adatok a háromszöges faggyúpók (Steatoda triangulosa [Walckenaer, 1802]) biológiájához (Araneae: Theridiidae) [Data on the biology of the triangulate cobweb spider: Steatoda triangulosa [Walckenaer, 1802], (Araneae: Theridiidae)]. Biológia Savaria Természettudományi és Sporttudományi Közlemények 21: 81-104 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

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

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

Lissner J, Scharff N (2019) Danish Spiders. Formerly online at http://www.danmarks-edderkopper.dk pdf

Milosevic B (2002) Aranea – Popis vrsta – Checklist. Hrvatsko entomološko društvo – Inventar entomofaune Hrvatske [Aranea – List of species – Checklist. Croatian Entomological Society – Inventory of Croatian entomofauna]. pdf

Morka G H (unpubl.)

Naumova M, Lazarov S, Deltshev C (2019a) Faunistic diversity of the spiders in Montenegro (Arachnida: Araneae). Ecologica Montenegrina 22: 50-89 pdf

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 pdf

Pesarini C (unpubl.)

Pfliegler W A, Schönhofer A, Niedbała W, Vella P, Sciberras A, Vella A (2017) New records of mites (Acari) and harvestmen (Opiliones) from Malta with a preliminary checklist of Maltese Arachnida. Soil Organisms 89: 85-110 pdf

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

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

Rozwałka R, Rutkowski T, Bielak-Bielecki P (2013) New data on introduced and rare synanthropic spider species (Arachnida: Araneae) in Poland. Annales Universitatis Mariae Curie-Skłodowska, Lublin-Polonia 68: 127-150 pdf

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 pdf

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

Stanković M, Ćurĉić M (2020) New species in the arachnofauna of Bosnia and Herzegovina from the protected habitat of Gromiţelj, Velino Selo. Archives for Technical Sciences 22: 67-78 pdf

Taberlet J-P (unpubl.)

Van Keer J, Bosselaers J, Oger P (2024) Description of four new Steatoda species (Araneae: Theridiidae) from the Mediterranean region with notes on some related species. Journal of the Belgian Arachnological Society 39(2, suppl.): 1-77 pdf

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

Vrenozi B (2012) A collection of spiders (Araneae) in Albanian coastal areas. Arachnologische Mitteilungen 44: 41-46 pdf

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

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 pdf

Yoshida H (2001a) The spider genera Robertus, Enoplognatha, Steatoda and Crustulina (Araneae: Theridiidae) from Japan. Acta Arachnologica 50: 31-48 pdf

Zarikian N A (2022b) New records on Salticidae and Theridiidae (Araneae) spiders from Armenia. Bulletin of the Iraq Natural History Museum 17: 169-185 pdf

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