Anyphaena aperta
This record describes Anyphaena aperta (species). Recorded family: Anyphaenidae. Recorded order: Araneae.
Identification and Appearance

Palp Epigynum Although the distribution indicates that this might be an introduced species, no specimens or described species from the Palearctic or Oriental regions resemble Anyphaena aperta .
Identification notes
Palp Epigynum
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Arachnida
- Order
- Araneae (Spiders)
- Family
- Anyphaenidae (Ghost Spiders)
- Genus
- Anyphaena
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
Pacific coast from British Columbia south to southern California.
About Spiders: the wider group
Order-level background for Araneae, the group containing Anyphaena aperta. 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 Anyphaena aperta (5)
Photo credits: Contributed by Lynette Elliott; Additional contributions by cheins , Laura P.
Frequently Asked Questions About Anyphaena aperta
What is Anyphaena aperta?
Anyphaena aperta is a species in the family Anyphaenidae, within the order Araneae.
How big is Anyphaena aperta?
| Feature | Details |
|---|---|
| Female | ~5.83mm |
| Male | ~4.32mm |
How do you identify Anyphaena aperta?
Palp Epigynum
Where is Anyphaena aperta found?
Range: Pacific coast from British Columbia south to southern California.
FROM LOOKING IT UP TO GETTING TO KNOW IT
Make sense of the bugs at home.50 household bug profiles for you. Photos, coloring, and activities for curious kids.





