Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   54 species

Theridion genistae  Simon, 1873

Description
Male

Palp: embolus long and coiled. Prosoma 0.6-0.8 mm long. Characters as in female. Epigastric area not bulging.

Body length male: 1-1.6 mm
Female

Prosoma uniform blackish, 0.6 mm long. Sternum blackish, posteriorly wide, coxae IV more than one diameter apart. Chelicerae: promargin without teeth. Legs whitish, with black annulations, tibia IV with one dorsal bristle. Opisthosoma globular, pattern variable, dorsally with a whitish median band, more or less bordered with blackish, laterally and anteriorly with a brownish band, ventrally whitish, with epigastric region blackish, spinnerets surrounded with brownish.

Body length female: 1.4-1.8 mm
Additional information

In dry habitats: cork oak woods, garrigue, heathlands, gorse and dry littoral areas.

Distribution
  Presence
  No data
Global distribution (WSC 2021): Mediterranean
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Algeria   (Bosmans, unpubl.) ||| France   (no references) ||| France / Corsica   (no references) ||| Greece   (no references) ||| Greece / Crete   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Italy / Sardinia   (Pantini & Isaia, 2019) ||| Portugal   (Wunderlich, 2021) ||| Spain   (Branco et al., 2019) ||| Tunisia   (Bosmans, unpubl.) |||
References

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). [N.B.: few records from this paper are not taken over and not commented] Zootaxa 4614: 201-254 pdf

Brignoli P M (1967c) Notizie sui Theridiidae del Lazio (Araneae). Fragmenta Entomologica 4: 177-197 pdf

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

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

WSC (2021) World Spider Catalog. Version 21.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (03.01.2021) doi: 10.24436/2 pdf

Wunderlich J (2021) Few new, rare or special species of spiders from the Algarve, Portugal (Arachnida: Araneae). Beiträge zur Araneologie 14: 3-24 pdf

Updates
08-04-2021 Image insert
07-04-2021 Distribution insert Detail
15-04-2013 Distribution update Detail
01-04-2013 Image insert