Hersilia sagitta

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Kenya Long Spinnered Tree Spider
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Hersiliidae
Genus: Hersilia
Species:
H. sagitta
Binomial name
Hersilia sagitta
Foord & Dippenaar-Schoeman, 2006 [1]

Hersilia sagitta is a species of spider in the family Hersiliidae. [2] It is an African endemic and is commonly known as the Kenya Long Spinnered Tree Spider. [3]

Contents

Etymology

The specific name sagitta is Latin for "arrow, shaft, bolt".

Distribution

Hersilia sagitta occurs in four African countries: Kenya, Tanzania, Malawi, and South Africa. [2] In South Africa, the species is recorded from two provinces at altitudes ranging from 93 to 1,148 m above sea level. [3]

Habitat

The species inhabits forest areas and is found in Savanna biomes in South Africa. It is a free-living bark dweller that remains cryptic by pressing its body against tree bark substrates. [3]

Description

Hersilia sagitta is known from both sexes and exhibits the typical characteristics of the genus Hersilia. Like other members of the family Hersiliidae, it possesses extremely long posterior spinnerets and a flattened body form adapted for living on tree bark surfaces. [3]

Ecology

This species displays cryptic behaviour, remaining motionless with its body pressed against substrates when at rest. When disturbed, it moves at great speed. The species is typically found in forested environments. [3]

Conservation

Hersilia sagitta is listed as Least Concern by the South African National Biodiversity Institute due to its wide distribution range across multiple African countries. The species is protected in Tembe Elephant Park and Kruger National Park. No significant threats have been identified. [3]

Taxonomy

The species was described in 2006 by Foord & Dippenaar-Schoeman from Kenya as part of their comprehensive revision of Afrotropical Hersilia species. [1]

References

  1. 1 2 Foord, S.H.; Dippenaar-Schoeman, A.S. (2006). "A revision of the Afrotropical species of Hersilia Audouin (Araneae: Hersiliidae)". Zootaxa. 1347: 1–92. doi:10.11646/zootaxa.1347.1.1.
  2. 1 2 "Hersilia sagitta Foord & Dippenaar-Schoeman, 2006". World Spider Catalog. Retrieved 21 September 2025.
  3. 1 2 3 4 5 6 Dippenaar-Schoeman, A.S.; Haddad, C.R.; Foord, S.H.; Lotz, L.N. (2020). The Hersiliidae of South Africa. Version 1. South African National Survey of Arachnida Photo Identification Guide. p. 7. doi:10.5281/zenodo.5913607 . Retrieved 21 September 2025. Creative Commons by small.svg  This article incorporates text available under the CC BY 4.0 license.