Biology:Rotundrela orbiculata

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Short description: Species of spider

Cederberg Rotundrela zodariid spider
Rare
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Zodariidae
Genus: Rotundrela
Species:
R. orbiculata
Binomial name
Rotundrela orbiculata
Jocqué, 1999[1]

Rotundrela orbiculata is a species of spider in the family Zodariidae.[2] It is endemic to the Western Cape province of South Africa and is commonly known as the Cederberg Rotundrela zodariid spider.[3]

Distribution

Rotundrela orbiculata is found in the Cederberg region of the Western Cape, with records from Cederberg Wilderness Area, Clanwilliam, and Pakhuis Pass.[3]

Habitat

The species inhabits the Fynbos biome at altitudes ranging from 78 to 1,530 m above sea level.[3]

Description

Both sexes of Rotundrela orbiculata are known. Males have a total length of 5.40 mm with a reddish brown carapace and orange chelicerae. The abdomen displays a pale pattern on a dark background with distinctive kidney-shaped patches and rounded spots. Females reach 6.24 mm in total length with an orange carapace and sternum that have dark rims.[1]

Ecology

Rotundrela orbiculata are free-running ground-dwelling spiders that are collected from litter and occasionally with pitfall traps.[3]

Conservation

The species is considered Rare due to its small restricted distribution range. It receives protection in the Cederberg Wilderness Area.[3]

References

  1. 1.0 1.1 Jocqué, R. (1999). "The new genera Procydrela and Rotundrela, sister taxa for Storenomorphinae and Cydrelinae (Araneae: Zodariidae)". Entomologica Scandinavica 30 (2): 235. doi:10.1163/187631200X00264. 
  2. "Rotundrela orbiculata Jocqué, 1999". World Spider Catalog. http://www.wsc.nmbe.ch/species/43935. Retrieved 20 September 2025. 
  3. 3.0 3.1 3.2 3.3 3.4 Dippenaar-Schoeman, A.S.; Jocqué, R.; Haddad, C.R.; Foord, S.H.; Lotz, L.N. (2024). The Zodariidae of South Africa. Part 2 (H-T) version 1. South African National Survey of Arachnida Photo Identification Guide. pp. 36. doi:10.5281/zenodo.14568995. https://doi.org/10.5281/zenodo.14568995. Retrieved 20 September 2025.  This article incorporates text available under the CC BY 4.0 license.

Wikidata ☰ Q2953559 entry