Biology:Ibala bilinearis

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Short description: Species of spider

Spotted Ibala Flat-bellied Ground Spider
male from South Africa
LC (SANBI)
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Gnaphosidae
Genus: Ibala
Species:
I. bilinearis
Binomial name
Ibala bilinearis
(Tucker, 1923)[1]

Ibala bilinearis is a species of spider in the family Gnaphosidae.[2] It is a southern African endemic species commonly known as the spotted Ibala flat-bellied ground spider.[3]

Distribution

Ibala bilinearis is distributed across Botswana, Mozambique, and South Africa.[3] In South Africa, it is recorded from five provinces, Eastern Cape, Limpopo, Mpumalanga, Northern Cape, and Western Cape, at altitudes ranging from 241 to 1,523 m above sea level.[3]

Habitat and ecology

The species is a free-living ground dweller sampled from Nama Karoo, Savanna, and Thicket biomes as well as in agro-ecosystems including cotton fields and pistachio orchards.[3]

Description

Conservation

Ibala bilinearis is listed as Least Concern by the South African National Biodiversity Institute due to its wide range.[3] It is protected in more than 10 protected areas.[3]

Taxonomy

The species was originally described by Tucker in 1923 from Hanover in the Northern Cape as Setaphis bilinearis.[1] It was revised by Fitzpatrick (2009).[3]

References

  1. 1.0 1.1 Tucker, R.W.E. (1923). "The Drassidae of South Africa". Annals of the South African Museum 19 (2): 323. 
  2. "Ibala bilinearis (Tucker, 1923)". World Spider Catalog. doi:10.24436/2. https://wsc.nmbe.ch/species/11489. Retrieved 25 September 2025. 
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Dippenaar-Schoeman, A.S.; Haddad, C.R.; Foord, S.H.; Lotz, L.N. (2021). The Gnaphosidae of South Africa. Part 2 (E-S). South African National Survey of Arachnida Photo Identification Guide. pp. 16. doi:10.5281/zenodo.7197672.  This article incorporates text available under the CC BY 4.0 license.

Wikidata ☰ Q27502427 entry