Theridion parvulum Blackwall, 1870
Description
Male
Palp short, yellowish, bulb yellowish brown, encircled by a black "filiform spine". Prosoma light brown, posteriorly with median black marking. Prosoma 1 mm long. Legs yellowish. Opisthosoma oval, whitish, dorsally with a large, dentate, black band, which is mottled with white on anterior part, ventrally with a black spot in front of spinnerets, and a black transverse band behind the epigastric fold.
Body length male: 2.1 mmFemale
Unknown.
Additional information
Species inquirenda per Pantini & Isaia (2019).
Distribution
Figures
Eyes, frontal view
(Blackwall 1870a)
Habitus, dorsal view
(Blackwall 1870a)
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
Blackwall J A (1870a) Notes on a collection of spiders made in Sicily in the spring of 1868, by E. Perceval Wright, M. D., with a list of the species, and descriptions of some new species and of a new genus. Annals and Magazine of Natural History (4) 5: 392-405 
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
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
| 28-11-2019 | Distribution update | Detail |
| 11-11-2015 | Image insert |