Tetragnatha nigrita
This record describes Tetragnatha nigrita (species). Recorded family: Tetragnathidae. Recorded order: Araneae.
Identification and Appearance
| Feature | Description |
|---|---|
| Body | Body length male: 6 to 8 mm, female: 7 to 11 mm. Prosoma dark brown to almost black. Chelicerae dark brown, basally with distinct tubercle. |
| Legs | Legs dark brown. Opisthosoma dark brown to almost black, vague folium laterally flanked with silver-white, medially also with silver spots. Confirmation of this species requires examination at high magnification in good lighting, typically examination of the genitalia. On trees and bushes in damp woodland, often near water. Widespread but local across England and Wales. https://srs.britishspiders.org.uk/portal.php/p/Summary/s/Tetragnatha+nigrita No additional images available for this species. |
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Arachnida
- Order
- Araneae
- Family
- Tetragnathidae
- Genus
- Tetragnatha
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
On trees and bushes in damp woodland, often near water.
Seasonal Activity
Summer- Autumn.
Additional species information
Recorded status
Widespread but local across England and Wales.
About Spiders: the wider group
Order-level background for Araneae, the group containing Tetragnatha nigrita. Species-specific details appear above.
Group overview
As of 2023, 51,673 spider species in 136 families have been recorded, though an estimated 150,000 species exist. Spiders rank 7th in total species diversity among all organism orders. Only 0.5% of spider species pose any risk to human health.
Ecological role of the group
Spider venom contains complex peptides with diverse pharmacological activities, making them valuable for drug development research. Spiders produce up to 7 types of silk from specialized glands. Spider silk genes have been inserted into mammals and plants for biotech applications.
Economic and practical significance of the group
The global spider community kills an estimated 400-800 million tons of prey annually (2017 study). Spiders provide billions of dollars in natural pest control for agriculture. Spider silk is 5× stronger than steel of the same diameter, driving a biomaterials research industry.
Recorded sources for this group: World Spider Catalog, PNAS, Nature, ScienceDirect. Imported estimates may describe particular regions or reporting periods.
Photos of Tetragnatha nigrita (5)
Frequently Asked Questions About Tetragnatha nigrita
What is Tetragnatha nigrita?
Tetragnatha nigrita is a species in the family Tetragnathidae, within the order Araneae.
How big is Tetragnatha nigrita?
| Feature | Details |
|---|---|
| Male | 6 to 8 mm |
| Female | 7 to 11 mm. Prosoma dark brown to almost black. Chelicerae dark brown, basally with distinct tubercle. Legs dark brown. Opisthosoma dark brown to almost black, vague folium laterally flanked with silver-white, medially also with silver spots. |
Where is Tetragnatha nigrita found?
Habitat: On trees and bushes in damp woodland, often near water.
When is Tetragnatha nigrita active?
Tetragnatha nigrita: seasonal activity - Summer- Autumn..