AraneaeLinyphiidae – Sheetweb and Dwarf Spiders

Agyneta semipallida

This record describes Agyneta semipallida (species). Recorded family: Linyphiidae. Recorded order: Araneae.

Identification and Appearance

Agyneta semipallida - Agyneta semipallida
Contributed by John Rosenfeld; Additional contributions by cheins
FeatureDescription
CarapaceCarapace light yellow, shiny, finely reticulate; suffused with dark gray along margin, radiating lines.
AbdomenAbdomen off-white with an apical black mark.
LegsLegs yellow. Epigynum

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Arachnida
Order
Araneae (Spiders)
Family
Linyphiidae (Sheetweb and Dwarf Spiders)
Subfamily
Linyphiinae
Genus
Agyneta

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

Pine-palmetto, rocky pastures

Geographic Range

Southeast USA, west to Arkansas. According to the American Arachnological Society --AR, FL, GA, IN, MD, NC

About Spiders: the wider group

Order-level background for Araneae, the group containing Agyneta semipallida. 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 Agyneta semipallida (5)

Agyneta semipallida - photo 1
Contributed by John Rosenfeld; Additional contributions by cheins
Agyneta semipallida - photo 2
Contributed by John Rosenfeld; Additional contributions by cheins
Agyneta semipallida - photo 3
Contributed by John Rosenfeld; Additional contributions by cheins
Agyneta semipallida - photo 4
Contributed by John Rosenfeld; Additional contributions by cheins
Agyneta semipallida - photo 5
Contributed by John Rosenfeld; Additional contributions by cheins

Photo credits: Contributed by John Rosenfeld; Additional contributions by cheins

Frequently Asked Questions About Agyneta semipallida

What is Agyneta semipallida?

Agyneta semipallida is a species in the family Linyphiidae, within the order Araneae.

How big is Agyneta semipallida?
FeatureDetails
Male1.20mm
Female1.37mm
How do you identify Agyneta semipallida?
FeatureDescription
CarapaceCarapace light yellow, shiny, finely reticulate; suffused with dark gray along margin, radiating lines.
AbdomenAbdomen off-white with an apical black mark.
LegsLegs yellow. Epigynum
Where is Agyneta semipallida found?
FeatureDetails
HabitatPine-palmetto, rocky pastures
RangeSoutheast USA, west to Arkansas. According to the American Arachnological Society --AR, FL, GA, IN, MD, NC

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

Photo credits: Contributed by John Rosenfeld; Additional contributions by cheins. Contributors retain copyright over their individual contributions.