Ibala bilinearis

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Spotted Ibala Flat-bellied Ground Spider
Ibala bilinearis 298146278 537010113.jpg
male from South Africa
Ibala bilinearis 298146278 537010866.jpg
Scientific classification OOjs UI icon edit-ltr.svg
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]

Contents

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 2 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 . Retrieved 25 September 2025.
  3. 1 2 3 4 5 6 7 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. p. 16. doi:10.5281/zenodo.7197672. Creative Commons by small.svg  This article incorporates text available under the CC BY 4.0 license.