Arctosa promontorii

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Phylum:Arthropoda
Subphylum:Chelicerata
Class:Arachnida
Order:Araneae
Table Mountain Arctosa Wolf Spider
female with egg sac
female with egg sac
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Lycosidae
Genus: Arctosa
Species:
A. promontorii
Binomial name
Arctosa promontorii
(Pocock, 1900)
Synonyms[1]
  • Lycosa promontorii Pocock, 1900
  • Tarentula promontorii Strand, 1907

Arctosa promontorii is a species of spider in the family Lycosidae.[1] It is endemic to South Africa and is commonly known as the Table Mountain Arctosa wolf spider.[2]

Arctosa promontorii has been recorded from three provinces in South Africa at elevations ranging from 9 to 1399 m.[2] The species is known from six protected areas.[2]

Habitat

The species is a free-running ground dweller sampled from the Grassland and Fynbos biomes, as well as from vineyards.[2]

Description

female with egg sac

Arctosa promontorii is known only from the female, though a male has been collected but not yet described.[2]

Females are dark in colour with a carapace bearing a narrow white submarginal stripe. The abdomen is dark reddish grey above and mottled black, marked with a short paler median stripe anteriorly. The abdomen is entirely black below, with the coxae and sternum deep blackish brown.[3]

The legs are mottled with dark and paler spots, and the chelicerae are scantily clothed with yellow setae.[3]

The total length is approximately 13 mm.[3]

Conservation

Arctosa promontorii is listed as Least Concern by the South African National Biodiversity Institute. Although the species is currently known only from one sex, it has a wide geographical range.[2] It has been recorded from six protected areas.[2]

Taxonomy

References

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