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
"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.
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 (13.2.2026) doi: 10.24436/2
Updates
| 30-10-2025 | Distribution update | Detail |