Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   62 species

Theridion hemerobium  Simon, 1914


Male palp with striking median apophysis. Conductor with terminal hook. Prosoma light yellow, with dark median stripe. Prosoma 1.1-1.8 mm long. Opisthosoma with whitish pattern, bordered with grey. Epigastric area markedly bulging.

Body length male: 2.4-3.9 mm

Epigyne with very small central opening. Prosoma 1.1-2 mm long. Sternum yellowish white, darker on margin. Legs yellow white, with dark annulations. Characters as in male.

Body length female: 3.0-4.5 mm
Additional information

Usually near water: river banks, pond littorals, sides of lakes, bridges on rivers, marshes, also in pine or oak forests, gardens, among vegetation or stones.

  No data
Global distribution (WSC 2023): USA, Canada, Europe, Turkey, Israel, Iran
 male  female
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.

Belgium   (Bosmans & Van Keer, 2017) ||| Bulgaria   (Blagoev et al., 2018) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Denmark   (no references) ||| France   (Iorio, 2023) ||| France / Corsica   (no references) ||| Germany   (no references) ||| Greece   (no references) ||| Ireland   (Nolan, 2013; Lavery, 2019) ||| Italy   (Pantini & Isaia, 2019) ||| Netherlands   (no references) ||| Portugal   (Branco et al., 2019) ||| Romania   (no references) ||| Russia, Central   (Ponomarev, 2022) ||| Russia, Southern   (Ponomarev, 2022) ||| Slovakia   (no references) ||| Spain   (Domènech et al., 2023) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| Turkey (Asia)   (no references) ||| Ukraine   (Polchaninova & Prokopenko, 2019) ||| United Kingdom   (Lavery, 2019) |||

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) 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, Vanuytven H, Van Keer J (1994) On two poorly known Theridion species, recently collected in Belgium for the first time (Araneae: Theridiidae). Bulletin of the British Arachnological Society 9: 236-240 pdf

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

Domènech M, Méndez Ó, Espigulé-Pons J, Carbonell R, Pinilla-Rosa M (2023) Nuevas citas aracnológicas (Araneae) en Cataluña (NE de la Península Ibérica). Revista Ibérica de Aracnología 42: 159-166 pdf

Iorio E (2023) Les peuplements d’araignées (Araneae) de la réserve naturelle régionale des Isles du Drac (Isère, France), avec focus sur deux zones humides. Bulletin de l'Association Française d'Arachnologie 10: 4-40 pdf

Knoflach B, Rollard C, Thaler K (2009b) Notes on Mediterranean Theridiidae (Araneae) - II. ZooKeys 16: 227-264 pdf

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

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

Nolan M (2013) First Irish records of Theridion hemerobius Simon, 1914 (Araneae: Theridiidae). Bulletin of the Irish Biogeographical Society 37: 45-55 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

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

Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at and pdf

WSC (2023) World Spider Catalog. Version 24.5. Natural History Museum Bern, online at (25.10.2023) doi: 10.24436/2 pdf

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