Theridion semitinctum Simon, 1914
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 mmDistribution
Figures
Epigyne/vulva, ventral view
(Knoflach et al. 2009b)
Vulva, dorsal view
(Knoflach et al. 2009b)
Distribution List
References
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 
Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204
Knoflach B, Rollard C, Thaler K (2009b) Notes on Mediterranean Theridiidae (Araneae) - II. ZooKeys 16: 227-264
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2
Updates
| 30-10-2025 | Distribution update | Detail |