AraneaeAnyphaenidae – Ghost Spiders

Anyphaena aperta

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

Identification and Appearance

Anyphaena aperta - Anyphaena aperta
Contributed by Lynette Elliott; Additional contributions by cheins , Laura P.

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.

Explore Araneae families and species →

Photos of Anyphaena aperta (5)

Anyphaena aperta - photo 1
Contributed by Lynette Elliott; Additional contributions by cheins , Laura P.
Anyphaena aperta - photo 2
Contributed by Lynette Elliott; Additional contributions by cheins , Laura P.
Anyphaena aperta - photo 3
Contributed by Lynette Elliott; Additional contributions by cheins , Laura P.
Anyphaena aperta - photo 4
Contributed by Lynette Elliott; Additional contributions by cheins , Laura P.
Anyphaena aperta - photo 5
Contributed by Lynette Elliott; Additional contributions by cheins , Laura P.

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?
FeatureDetails
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.

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by Lynette Elliott; Additional contributions by cheins , Laura P.. Contributors retain copyright over their individual contributions.