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Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   63 species

Theridion semitinctum  Simon, 1914

WSC LSID urn:lsid:nmbe.ch:spidersp:008678

Key to genera | Key to species

Description
Male

Unknown.

Female

Epigyne: atrium very superficial, transverse oval, much wider than long. Prosoma whitish, cephalic part with a black, wedge-shaped patch widened and truncated in front. Prosoma 1.2 mm long. Sternum whitish, darker on margin. Eyes surrounded with black, these black areas almost contiguous. Eyes: AME larger than PME, median ocular quadrangle wider in front. Clypeus uniformly coloured. Legs whitish, with thin black annulations. Opisthosoma dorsally with a light dentate median band, anteriorly, on each side, with a thin semicircular black line, ventrally whitish, with a thin transverse black line in front of spinnerets, spinnerets not surrounded with black.

Body length female: 3.2 mm
Distribution
  Presence
  No data
Global distribution (WSC 2024): Spain (mainland, Balearic Is.), France, Italy
Figures
species

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

species

female Vulva, dorsal view
(Knoflach et al. 2009b)

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.

France   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Spain   (Branco et al., 2019) ||| Spain / Balearic Islands   (Branco et al., 2019) |||
References

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 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 (2024) World Spider Catalog. Version 25.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (22.01.2024) doi: 10.24436/2 pdf