Hypselistes florens
This record describes Hypselistes florens (species). Recorded family: Linyphiidae. Recorded order: Araneae.
Identification and Appearance

The cephalothorax is bright orange. The coxae, trochanters and femora are similar in coloring, but the remaining leg segments are grey or pigmented with black. See pictures below of the male's cephalic lobe and distinctive pedipalp. The female is similar in appearance to Walckenaeria auranticeps , but the abdomen is wider. and some Hypsosinga females (Araneidae) can be similar too. Male: Palp: Epigynum: Very common.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Arachnida
- Order
- Araneae (Spiders)
- Family
- Linyphiidae (Sheetweb and Dwarf Spiders)
- Subfamily
- Erigoninae
- Genus
- Hypselistes
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
Eastern, northern, northwestern USA, Canada
Seasonal Activity
Matures in April
Additional species information
Species notes from the sources
Etymology: Author: O. P.-Cambridge, 1875
About Spiders: the wider group
Order-level background for Araneae, the group containing Hypselistes florens. 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 Hypselistes florens (5)
Photo credits: Contributed by Charley Eiseman; Additional contributions by cheins , pfeiffer
Frequently Asked Questions About Hypselistes florens
What is Hypselistes florens?
Hypselistes florens is a species in the family Linyphiidae, within the order Araneae.
How do you identify Hypselistes florens?
The cephalothorax is bright orange. The coxae, trochanters and femora are similar in coloring, but the remaining leg segments are grey or pigmented with black. See pictures below of the male's cephalic lobe and distinctive pedipalp. The female is similar in appearance to Walckenaeria auranticeps , but the abdomen is wider. and some Hypsosinga females (Araneidae) can be similar too. Male: Palp: Epigynum:
Where is Hypselistes florens found?
Range: Eastern, northern, northwestern USA, Canada
When is Hypselistes florens active?
Hypselistes florens: seasonal activity - Matures in April.
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