Article · Wikipedia archive · Last revised Jul 19, 2026

Theuma cedri

Theuma cedri is a species of spider in the family Prodidomidae. It is a South African endemic commonly known as the Cederberg Theuma long-spinneret ground spider.

Last revised
Jul 19, 2026
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≈ 1 min
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Cederberg Theuma Long-spinneret Ground Spider
Female
Female
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Prodidomidae
Genus: Theuma
Species:
T. cedri
Binomial name
Theuma cedri
Purcell, 19071

Theuma cedri is a species of spider in the family Prodidomidae.2 It is a South African endemic commonly known as the Cederberg Theuma long-spinneret ground spider.3

Distribution

Theuma cedri is known only from South Africa, where it is recorded from Free State, Limpopo, Northern Cape, and Western Cape.3

Notable locations include Boschkloof Waterfall in the Cederberg, Namaqua National Park, and Cederberg Wilderness Area.3

Habitat and ecology

Theuma cedri is a free-running ground dweller found in Fynbos, Grassland, and Savanna biomes.3 The species inhabits altitudes ranging from 24 to 1,645 m above sea level.3

Description

  • female
    female
  • female
    female
  • female
    female
  • female
    female

Conservation

Theuma cedri is listed as Least Concern by the South African National Biodiversity Institute.3 Although the species is presently known only from one sex, it has a wide geographical range. There are no significant threats to the species, but more sampling is needed to collect the male.3 It is protected in Namaqua National Park and Cederberg Wilderness Area.3

Taxonomy

The species was originally described by William Frederick Purcell in 1907 from Boschkloof Waterfall in the Cederberg in the Western Cape.1 It has not been revised and is known only from the female sex.3

References

References

  1. Purcell, W.F. (1907). "New South African spiders of the family Drassidae in the collection of the South African Museum". Annals and Magazine of Natural History. 7. 20 (118): 302. doi:10.1080/00222930709487339.
  2. "Theuma cedri Purcell, 1907". World Spider Catalog. Retrieved 24 September 2025.
  3. Dippenaar-Schoeman, A.S.; Haddad, C.R.; Foord, S.H.; Lotz, L.N. (2023). The Prodidomidae of South Africa. Version 1. South African National Survey of Arachnida Photo Identification Guide. p. 28. doi:10.5281/zenodo.7515818. Retrieved 24 September 2025. This article incorporates text available under the CC BY 4.0 license.
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