Resources:
Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   54 species

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 mm
Female

Unknown.

Additional information

Species inquirenda per Pantini & Isaia (2019).

Distribution
  Presence
  No data
Distribution comment: Omitted from the Italian checklist (Pantini & Isaia (2019)
Global distribution (WSC 2020): Italy (Sicily)
Figures
Distribution List
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 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). http://araneae.it. Fragmenta Entomologica 51: 127-152 pdf

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2 pdf

Updates
28-11-2019 Distribution update Detail
11-11-2015 Image insert