Resources:
Theridiidae  Sundevall, 1833 / Robertus  O. Pickard-Cambridge, 1879   18 species

Robertus cantabricus  Fage, 1931

Description
Male

Unknown.

Female

Epigyne: chitinised plate nearly 1.5 times as long as wide, atrium near the anterior margin, widely apart from the epigastric furrow. Colouration as in R. mazaurici. Eyes entirely depigmented, whitish, AME one diameter apart, and 1.5 diameters from ALE, ALE twice as large as AME, posterior eyes equal in size, equidistant, nearly 2 diameters apart.

Body length female: 4 mm
Additional information

Only one female known. In cave.

Troglophile species (Mammola et al., 2022)

Distribution
  Presence
  No data
Global distribution (WSC 2024): Spain
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.

Spain   (Branco et al., 2019) |||
References

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Fage L (1931) Araneae, 5e série, précédée d'un essai sur l'évolution souterraine et son déterminisme. In Biospeologica, LV. Archives de Zoologie Expérimentale et Générale 71: 99-291 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

Mammola S, Pavlek M, Huber B A, Ballarin F, Tolve M, Čupić I, Hesselberg T, Lunghi E, Mouron S, Graco-Roza C, Cardoso P (2022) A trait database and updated checklist for European subterranean spiders. Scientific Data 9(236): 1-13 pdf

WSC (2024) World Spider Catalog. Version 25.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (22.01.2024) doi: 10.24436/2 pdf

Updates
24-06-2014 Image insert