Saaristoa abnormis
This record describes Saaristoa abnormis (species). Recorded family: Linyphiidae. Recorded order: Araneae.
Identification and Appearance
Length 3-4mm. Prosoma red-brown with dark margin. Sternum red-brown, with black margin. Chelicerae dark brown, robust. Legs yellowish-brown, robust. Opisthosoma dark grey, almost black. Microscopic examination of the genitalia is required to confirm this species. Found in wide range of habitats including marshes, bogs, woodland and heath, beneath logs and rocks and amongst leaf litter. https://srs.britishspiders.org.uk/portal.php/p/Summary/s/Saaristoa+abnormis No additional images available for this species.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Arachnida
- Order
- Araneae
- Family
- Linyphiidae
- Genus
- Saaristoa
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
Found in wide range of habitats including marshes, bogs, woodland and heath, beneath logs and rocks and amongst leaf litter.
Seasonal Activity
Summer-Autumn
Additional species information
Recorded status
Widespread.
About Spiders: the wider group
Order-level background for Araneae, the group containing Saaristoa abnormis. 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.
Frequently Asked Questions About Saaristoa abnormis
What is Saaristoa abnormis?
Saaristoa abnormis is a species in the family Linyphiidae, within the order Araneae.
How big is Saaristoa abnormis?
3-4mm. Prosoma red-brown with dark margin. Sternum red-brown, with black margin. Chelicerae dark brown, robust. Legs yellowish-brown, robust. Opisthosoma dark grey, almost black.
Where is Saaristoa abnormis found?
Habitat: Found in wide range of habitats including marshes, bogs, woodland and heath, beneath logs and rocks and amongst leaf litter.
When is Saaristoa abnormis active?
Saaristoa abnormis: seasonal activity - Summer-Autumn.