Agelenidae  C. L. Koch, 1837 / Eratigena  Bolzern, Burckhardt & Hänggi, 2013   22 species

Eratigena herculea  (Fage, 1931)


Eyes very reduced and without pigmentation. Anterior and posterior median eyes barely visible, only 0.02 mm in diameter. Lateral eyes about 0.05 mm in diameter. Opisthosoma cylindrical. Palp: median apophysis protruding, longer than wide, spoon-like, connected to tegulum by a membrane.

Prosoma length: 2.4 mm, prosoma width: 1.8 mm.


Prosoma not darkened. Sternum with a weakly expressed pale median region. Opisthosoma brown-yellowish, only cardiac mark darker. Legs without a pattern. Eyes moderately reduced in size. Epigyne with a distinct posterior sclerite, forming a strongly sclerotized and protruding pocket-like structure.

Additional information

In caves.

Troglobiont species (Mammola et al., 2022)

  No data
Global distribution (WSC 2024): Spain (mainland, Ibiza)
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) ||| Spain / Balearic Islands   (Branco et al., 2019) |||

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

Brignoli P M (1977d) Sur quelques Tegenaria cavernicoles d'Espagne (Araneae, Agelenidae). Comunicacions del 6è. Simposium d'Espeleologia, Terrassa 1977: 69-71 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

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

Ribera C, Barrientos J A (1986) Sobre algunas tegenarias cavernicolas poco conocidas del Mediterraneo español. Mémoires de la Société Royal Belge d'Entomologie 33: 187-197 pdf

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

10-05-2016 Datasheet update Detail