Eresidae  C. L. Koch, 1845 / Eresus  Walckenaer, 1805   28 species

Eresus ruficapillus C. L. Koch, 1846

Description
Male

Unknown.

Female

Prosoma light brownish with orange hairs, cephalic part of prosoma remarkably tapened backwards. Quadrangle formed by the 4 lateral eyes as wide behind as in front. Legs dark reddish brown. Opisthosoma black.

Body length female: 21 mm
Distribution
  Presence
  No data
Distribution comment: Probably endemic to Sicily (Rezác et al. 2008a: 275), therefore all other countries/regions deleted.
Global distribution (WSC 2026): Italy (Sicily)
Figures
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.

Italy / Sicily   (Isaia et al., 2025) |||
References

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 pdf

Koch C L (1846) Die Arachniden. Nürnberg, Dreizehnter Band, pp. 1-234, Vierzehnter Band, pp. 1-88 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

Řezáč M, Pekár S, Johannesen J (2008a) Taxonomic review and phylogenetic analysis of Central European Eresus species (Araneae: Eresidae). Zoologica Scripta 37: 263-287 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

Updates
19-09-2018 Distribution update Detail
08-01-2015 Image insert