Theridion varians Hahn, 1833
Description
Bulbus with large, projecting bipartite apophysis. Epigyne with posteriorly dark margined epigynal groove, anteriorly with small bulge. Prosoma light yellow, with dark margin and broad, brown median stripe. Sternum light yellow, with dark margin, sometimes completely brown. Chelicerae yellowish-grey. Legs yellowish, annulated with grey. Opisthosoma with bright, laterally bulged, dark margined median band, otherwise very variable (yellowish, grey, pink and also black).
Body length male: 2.5-3.5 mmBody length female: 2.5-4 mm
Additional information
On perennials and bushes, also on buildings, in the mountains up to and above 1000 m. Egg sac whitish, with 20 to 60 eggs.
Frequency: Very frequent, widely distributed
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp
(Azheganova 1968)
Pedipalp
(Wiehle 1937)
Pedipalp, ventral view
(Knoflach 1998)
Pedipalp, ventral view
(Locket & Millidge 1953)
Pedipalp
(Roberts 1995)
Pedipalp, ventral-basal view
(Wunderlich 1977a)
Pedipalp, ventral-basal view
(Wunderlich 1977a)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Opisthosoma, lateral view
(Locket & Millidge 1953)
Habitus, lateral view
(Løvbrekke unpubl.)
Epigyne
(Roberts 1995)
Epigyne
(Roberts 1995)
Epigyne
(Wiehle 1937)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Løvbrekke unpubl.)
Vulva
(Wiehle 1937)
Vulva
(Knoflach 1998)
Vulva
(Løvbrekke unpubl.)
Prosoma, dorsal view
(Løvbrekke unpubl.)
Sternum
(Løvbrekke unpubl.)
Prosoma, lateral view
(Knoflach 1998)
Prosoma, frontal view
(Knoflach 1998)
Prosoma, dorsal view
(Knoflach 1998)
Sternum
(Knoflach 1998)
Habitus
(Wiehle 1937)
Habitus
(Jäger & Ono 2000)
Habitus
(Jäger 1995a)
Habitus
(Jäger 1995a)
References
Azheganova N S (1968) Kratkii opredelitel' paukov (Aranei) lesnoi i lesostepnoi zony SSSR. Akademia Nauk SSSR: 1-149
Barrientos J A, Febrer B (2017) Arañas (Arachnida, Araneae) de Menorca (Islas Baleares, España). Nuevos datos. Revista Ibérica de Aracnología 31: 8-24 
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)
Bosmans R, Van Keer J, Russell-Smith A, Kronestedt T, Alderweireldt M, Bosselaers J, De Koninck H (2013) Spiders of Crete (Araneae). A catalogue of all currently known species from the Greek island of Crete. Nieuwsbrief van de Belgische Arachnologische Vereniging 28 (Suppl. 1): 1-147
Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019
Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152
Danışman T, Kunt K B, Özkütük R S (2019) The checklist of the spiders of Turkey. Version 2018 [last updated 1 January 2019], online at http://www.spidersofturkey.info
Deltshev C, Vrenozi B, Blagoev G, Lazarov S (2011b) Spiders of Albania – faunistic and zoogeographical review (Arachnida: Araneae). Acta Zoologica Bulgarica 63: 125-144
Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org
Helsdingen P J van (2013) A quick scan of the spider fauna of the European part of Turkey. Nieuwsbrief SPINED 33: 29-38
Jäger P (1995a) Faunistische Untersuchungen an Spinnen (Araneae) der Wahner Heide (Nordrhein-Westfalen) mit Anmerkungen zur Biologie und Taxonomie. Diplomarbeit, Zoologisches Institut, Universität zu Köln
Jäger P, Ono H (2000) The Sparassidae of Japan. I. New species of Olios, Heteropoda and Sinopoda with remarks on known species (Arachnida: Araneae). Acta Arachnologica 49: 41-60
Knoflach B (1998) Mating in Theridion varians Hahn and related species (Araneae: Theridiidae). Journal of Natural History 32: 545-604
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
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
Locket G H, Millidge A F (1953) British Spiders 2. Ray Soc London
Løvbrekke H (unpubl.)
Otto S (2019) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 10.2019. 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). http://araneae.it. [Old pdf-version: Checklist of the Italian spiders (version June 2018). online at Pantini_&_Isaia_- _Checklist_of_the_Italian_spiders._June_2018.] Fragmenta Entomologica 51: 127-152
Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App
Roberts M J (1995) Spiders of Britain and Northern Europe. Collins Field Guide Bath
Wiehle H (1937) Spinnentiere oder Arachnoidea, VIII. 26: Familie Theridiidae oder Haubennetzspinnen (Kugelspinnen). Tierwelt Deutschlands 33
World Spider Catalog (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.09.2019) doi: 10.24436/2
Wunderlich J (1977a) Zur Synonymie südeuropäischer Spinnen (Arachnida: Araneida: Theridiidae, Linyphiidae, Gnaphosidae). Senckenberg biol 57: 289-293
Updates
| 30-01-2019 | Image insert | |
| 30-12-2017 | Distribution update | Old value |
| 21-10-2015 | Distribution update | Old value |
| 22-01-2015 | Image insert | |
| 24-12-2013 | Distribution update | Old value |
| 04-12-2013 | Distribution update | Old value |
| 01-12-2013 | Distribution update | Old value |
| 15-10-2013 | Distribution update | Old value |
| 15-04-2013 | Distribution update | Old value |