Tetragnatha isidis
| Isidis Long-jawed Spider | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Tetragnathidae |
| Genus: | Tetragnatha |
| Species: | T. isidis
|
| Binomial name | |
| Tetragnatha isidis | |
| Synonyms[2] | |
| |
Tetragnatha isidis is a species of spider in the family Tetragnathidae.[2] It occurs across southern Europe, Africa, and parts of Asia, and is commonly known as Isidis long-jawed spider.[3]
Distribution
Tetragnatha isidis is distributed from Southern Europe to India and across several African countries including Egypt, Sudan, Uganda, Botswana, and South Africa. The species also occurs in Iran. In South Africa, it is known from four provinces, including six protected areas, at altitudes ranging from 4 to 1498 m.[3]
Habitat and ecology
These spiders construct orb webs in grass, with the web supported by grass stems. The species has been sampled from the Fynbos, Indian Ocean Coastal Belt, Forests, Grassland, and Savanna biomes.[3]
Description
Conservation
Tetragnatha isidis is listed as Least Concern due to its wide geographical range spanning multiple countries across Europe, Africa, and Asia. The species is protected in Roodeplaatdam Nature Reserve and Nylsvley Nature Reserve in South Africa. There are no significant threats to the species.[3]
Taxonomy
The species was redescribed by Picard and colleagues in 2014. It was originally described from Egypt by Simon in 1880 as Eugnatha isidis and was moved to Tetragnatha by Wunderlich in 2011. Both sexes are known.[3]
References
- ^ Simon, E. (1880). "Description de trois espèces nouvelles d'araignées d'Egypte". Annales de la Société Entomologique de France. 10: 98–99.
- ^ a b "Tetragnatha isidis (Simon, 1880)". World Spider Catalog. Retrieved 2025-10-01.
- ^ a b c d e Dippenaar-Schoeman, A.S.; Haddad, C.R.; Foord, S.H.; Lotz, L.N. (2023). The Tetragnathidae of South Africa. Version 2. South African National Survey of Arachnida Photo Identification Guide. p. 39. doi:10.5281/zenodo.7513261. This article incorporates text available under the CC BY 4.0 license.