Resources:
Theridiidae  Sundevall, 1833 / Theridion  Walckenaer, 1805   53 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 2019): Italy (Sicily)
Figures
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. Ann Mag nat Hist (4) 5: 392-405

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

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 (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.09.2019) doi: 10.24436/2

Updates
28-11-2019 Distribution update Old value
11-11-2015 Image insert