Ruborridion musivum (Simon, 1873)
Description
Male
Characters as in female.
Body length male: 1.5-1.7 mmFemale
Prosoma light reddish brown, 0.67 mm long. Sternum light reddish. Eyes: median ocular quadrangle a little wider than long. Legs light red-yellow. Opisthosoma globular, reddish, dorsally with irregular brownish blotches, ventrally with small brownish blotches, and a black patch on anterior part.
Body length female: 1.7-2.0 mmAdditional information
In shrubs and dry grasses.
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp, prolateral view
(Knoflach et al. 2009b)
Pedipalp, ventral view
(Knoflach et al. 2009b)
Pedipalp, ventral view
(Knoflach et al. 2009b)
Pedipalp, prolateral view
(Levy & Amitai 1982a)
Pedipalp, retrolateral view
(Levy & Amitai 1982a)
Pedipalp, retrolateral view
(Levy & Amitai 1982a)
Pedipalp, dorso-prolateral view
(Lecigne et al. 2025)
Pedipalp, prolateral view
(Lecigne et al. 2025)
Pedipalp, ventral view
(Lecigne et al. 2025)
Habitus, dorsal view
(Lecigne et al. 2025)
Habitus, lateral view
(Lecigne et al. 2025)
Epigyne/vulva, ventral view
(Knoflach et al. 2009b)
Epigyne
(Levy & Amitai 1982a)
Vulva, dorsal view
(Levy & Amitai 1982a)
Distribution List
References
Benhacene R, Adjami A, Hadjeb A, Kermiche K, Ouakid M L (2023) Bibliographic checklist of the Algerian spider fauna (Araneae). Zootaxa 5352: 301-357 
Benhalima S, Bosmans R (2024) First historical checklist of spiders (Arachnida: Araneae) from Morocco, between 1840–2024. Zootaxa 5555: 407-535
Bosmans R (2003) A checklist of the spiders of Tunisia, with description of a new species of Palliduphantes Saaristo & Tanasevitch (Araneae: Linyphiidae). Kaupia - Darmstädter Beiträge zur Naturgeschichte 12: 89-109
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Dentici A, Barbera A, Ditta A, Surdo S (2022) On some new reports on the spider fauna of Italy and Sicily (Arachnida Araneae). Biodiversity Journal 13: 399-408
El-Hennawy H K (2017a) A list of Egyptian spiders (revised in 2017). Serket 15: 167-183
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
Knoflach B, Rollard C, Thaler K (2009b) Notes on Mediterranean Theridiidae (Araneae) - II. ZooKeys 16: 227-264
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Lecigne S, Moutaouakil S, Lips J (2025) Contribution to the knowledge of the spider fauna of Morocco (Arachnida: Araneae) – second note. On new species and new records from caves and miscellaneous terrestrial ecosystems. Journal of the Belgian Arachnological Society 40(1, supplement): 1-184
Levy G, Amitai P (1982a) The comb-footed spider genera Theridion, Achaearanea and Anelosimus of Israel (Araneae: Theridiidae). Journal of Zoology, London 196: 81-131
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2