Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   53 species

Theridion betteni  Wiehle, 1960


Conductor narrow, ± bent rectangularly. Epigyne with clearly visible copulatory opening, epigynal groove shallow. Prosoma yellowish-brown, tinged with black, eye region darker. Sternum brown, sometimes almost black. Chelicerae brown, sometimes almost black. Legs yellow-grey, annulated with dark brown. Opisthosoma dorsally with longitudinal band, otherwise very variable, mostly spotted brown, ventrally dark brown with white spots posterior to the epigastric furrow.

Body length male: 2.4-3 mm
Body length female: 2.6-3.8 mm
Additional information

In intensely sunny crevices and horizontal mural chinks

Frequency: Rarely found

  No data
Global distribution (WSC 2020): Europe, Turkey
 male  female
Distribution List
Albania   ( no references ) ||| Austria   ( no references ) ||| Bulgaria   ( no references ) ||| Croatia   ( no references ) ||| Czechia   ( no references ) ||| France   ( no references ) ||| Germany   ( no references ) ||| Greece   ( no references ) ||| Italy   ( no references ) ||| North Macedonia   ( no references ) ||| Poland   ( no references ) ||| Romania   ( no references ) ||| Russia, Southern   ( no references ) ||| Slovakia   ( no references ) ||| Slovenia   ( no references ) ||| Switzerland   ( no references ) ||| Turkey (Asia)   ( no references ) |||

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 (accessed on 10.9.2018)

Breitling R (2018) Eric Duffey's spider collection in the Manchester Museum – an update. Newsletter of the British Arachnological Society 141: 5-9 pdf

Danışman T, Kunt K B, Özkütük R S (2019) The checklist of the spiders of Turkey. Version 2019 [last updated 1 June 2019], online at

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at

Helsdingen P J van, IJland S, Komnenov M (2018) Inventory of the spiders (Araneae) of the border region of northern Greece with Albania and FYR Macedonia. Nieuwsbrief SPINED 37: 5-23 pdf

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

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

Le Peru B (2011) The spiders of Europe, a synthesis of data: Volume 1 Atypidae to Theridiidae. Mémoires de la Société Linnéenne de Lyon 2: 1-522 pdf

Pantini P, Isaia M (2019) 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

Roberts M J (1998) Spinnengids. Tirion Natuur Baarn, Netherlands

Thaler K (1966) Fragmenta Faunistica Tirolensia (Diplopoda, Arachnida). Ber Nat - Med Ver Innsbruck 54: 151-157

Vanuytven H (2014) Theridion asopi n. sp., a new member of the Theridion melanurum group (Araneae: Theridiidae) in Europe. Arachnology 16: 127-134

World Spider Catalog (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at (20.09.2019) doi: 10.24436/2

Wunderlich J (2011a) Extant and fossil spiders (Araneae). Heutige und fossile Spinnen. Beiträge zur Araneologie 6: 1-640 pdf

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14-04-2018 Distribution update Detail
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