Poecilochroa anomala

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Poecilochroa Ground Spider
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Gnaphosidae
Genus: Poecilochroa
Species:
P. anomala
Binomial name
Poecilochroa anomala
(Hewitt, 1915) [1]
Synonyms
  • Xerophaeus anomalusHewitt, 1915

Poecilochroa anomala is a species of spider in the family Gnaphosidae. [2] It is endemic to southern Africa and is commonly known as Poecilochroa ground spider. [3]

Contents

Distribution

Poecilochroa anomala is found in Lesotho and South Africa. In South Africa, it is recorded from three provinces: Eastern Cape, KwaZulu-Natal, and Western Cape. Notable locations include Grahamstown, Kentani, Vernon Crookes Nature Reserve, De Hoop Nature Reserve, and Swartberg Nature Reserve. [3]

Habitat and ecology

The species is a free-living ground dweller found at altitudes ranging from sea level to 2,327 m above sea level. It has been sampled from Forest, Fynbos, Nama Karoo, and Thicket biomes. [3]

Description

Females have a carapace that is dark brown with radiate infuscations and mottling. The abdomen is testaceous and infuscated dorsally. The sternum and coxae are light brown. The femora of the legs are dark, while the patellae are pale yellow and the tibiae are pale brown. The femora I have a light patch. Total length is 6.4 mm. [3]

Conservation

Poecilochroa anomala is listed as Least Concern by the South African National Biodiversity Institute due to its wide geographical range. [3] The species is protected in several nature reserves including Vernon Crookes Nature Reserve, De Hoop Nature Reserve, and Swartberg Nature Reserve.

Taxonomy

The species was originally described by John Hewitt in 1915 as Xerophaeus anomalus from Pacaltsdorp in the Western Cape. It is currently known only from female specimens. [3]

References

  1. Hewitt, J. (1915). "Descriptions of new South African Arachnida". Records of the Albany Museum Grahamstown. 3: 98.
  2. "Poecilochroa anomala (Hewitt, 1915)". World Spider Catalog. doi:10.24436/2 . Retrieved 2025-09-25.
  3. 1 2 3 4 5 6 Dippenaar-Schoeman, A.S.; Haddad, C.R.; Foord, S.H.; Lotz, L.N. (2021). The Gnaphosidae of South Africa. Part 2 (E-S). Version 1. South African National Survey of Arachnida Photo Identification Guide. p. 42. doi:10.5281/zenodo.7197672. Creative Commons by small.svg  This article incorporates text available under the CC BY 4.0 license.