Robertus mazaurici (Simon, 1901)
Description
Female
Prosoma light brownish. Eyes small, AME subcontiguous, AME at least 3 diameters from ALE, and one diameter from PME. Chelicerae: each margin with only one tooth. Opisthosoma whitish.
Body length female: 3-4 mmAdditional information
Usually in caves, also in mines, sometimes outdoor, under stones in forests. Altitude up to 1250 m.
Troglophile species (Mammola et al., 2022)
Distribution
Phenology
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Figures
Pedipalp, retrolateral view
(Wunderlich 1976)
Pedipalp, ventral view
(Wunderlich 1976)
Pedipalp, retrolateral view
(Dresco 1959a)
Pedipalp, retrolateral view
(Loria 2023)
Pedipalp, ventro-prolateral view
(Loria 2023)
Epigyne/vulva, ventral view
(Knoflach & Thaler 2000)
Epigyne, ventral view
(Wunderlich 1976)
Epigyne, ventral view
(Loria 2023)
Epigyne
(Domènech et al. 2023)
Vulva, dorsal view
(Loria 2023)
Vulva, dorsal view
(Domènech et al. 2023)
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.
References
Domènech M, Méndez Ó, Espigulé-Pons J, Carbonell R, Pinilla-Rosa M (2023) Nuevas citas aracnológicas (Araneae) en Cataluña (NE de la Península Ibérica). Revista Ibérica de Aracnología 42: 159-166 
Dresco E (1959a) Sur quelques espèces du genre Robertus (Araneae, Theridiidae). Description de R. alpinus et R. cardesensis spp. nov. Bulletin du Muséum National d'Histoire Naturelle de Paris 31: 242-247
Knoflach B, Thaler K (2000) Notes on Mediterranean Theridiidae (Araneae)-I. Memorie della Società Entomologica Italiana 78: 411-442
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Loria P (2023) Cinq premières et une deuxième mentions d’araignées pour la Suisse (Araneae). Entomo Helvetica 16: 123-136
Mammola S, Pavlek M, Huber B A, Isaia M, 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
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2
Wunderlich J (1976) Zur Kenntnis der mitteleuropäischen Arten der Gattung Enoplognatha Pavesi und Robertus O. Pick. Cambridge Senckenbergiana Biologica 57: 97-112