Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   53 species

Theridion hemerobium  Simon, 1914

Description
Male

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: 2.4-3.88 mm
Female

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: 3-4.45 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.

Distribution
  Presence
  No data
Global distribution (WSC 2020): USA, Canada, Europe, Turkey, Israel, Iran
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Belgium   ( no references ) ||| Bulgaria   ( Blagoev et al., 2018; ) ||| Czechia   ( no references ) ||| Denmark   ( no references ) ||| France   ( no references ) ||| France / Corsica   ( no references ) ||| Germany   ( no references ) ||| Greece   ( no references ) ||| Ireland   ( no references ) ||| Italy   ( Pantini & Isaia, 2019; ) ||| Netherlands   ( no references ) ||| Portugal   ( no references ) ||| Romania   ( no references ) ||| Russia, Central   ( no references ) ||| Russia, Southern   ( no references ) ||| Slovakia   ( no references ) ||| Sweden   ( no references ) ||| Switzerland   ( no references ) ||| Turkey (Asia)   ( no references ) ||| Ukraine   ( Polchaninova & Prokopenko, 2019; ) ||| United Kingdom   ( no references ) |||
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 http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018)

Bosmans R, Vanuytven H, Van Keer J (1994) On two poorly known Theridion species, recently collected in Belgium for the first time (Araneae: Theridiidae). Bull Br Arachnol Soc 9: 236-240

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

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

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) 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. Fragmenta Entomologica 51: 127-152 pdf

Polchaninova N Y, Prokopenko E V (2013) Catalogue of the spiders (Arachnida, Aranei) of Left-Bank Ukraine. Arthropoda Selecta (Suppl.) 2: 1-268 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) Spiders of Britain and Northern Europe. Collins Field Guide Bath

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2

Updates
04-05-2017 Distribution update Detail
14-10-2015 Image insert
24-04-2015 Distribution update Detail
15-04-2013 Distribution update Detail