Oak Jumping Spider
VU

Oak Jumping Spider

Ballus chalybeius

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Ballus_chalybeius

Overview

Ballus chalybeius is a jumping spider. It is the type species of the genus Ballus.

The eikenspringspin faces mounting pressure from habitat degradation and fragmentation as urban development and agricultural expansion encroach upon its specialized microhabitats. Climate change poses additional risks by altering the delicate moisture and temperature conditions required for this species' survival, while pollution from agricultural runoff and urban sources degrades the quality of remaining suitable habitats.

Threat summary

Habitat

This jumping spider inhabits low vegetation, shrublands, and forest edges with adequate moisture and shelter, typically found in areas with dense ground cover and leaf litter. The species requires specific microhabitat conditions including appropriate humidity levels and prey availability in semi-natural and disturbed landscapes.

Other threatened species in Salticidae

EN

Dune Jumper

Marpissa nivoyi

Unknown
VU

Yllenus arenarius

Unknown
VU

Dendryphantes rudis

Unknown
Neon valentulusCR

Neon valentulus

Unknown

Threatened in Austria

VU

Lepiota echinella

Unknown
EN

Lyophyllum deliberatum

Unknown
VU

Large Tree-chernes

Dendrochernes cyrneus

Unknown
EN

Pipizella nigriana

Unknown

Frequently asked questions

Why is Oak Jumping Spider classified as Vulnerable?
Oak Jumping Spider is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The eikenspringspin faces mounting pressure from habitat degradation and fragmentation as urban development and agricultural expansion encroach upon its specialized microhabitats. Climate change poses additional risks by altering the delicate moisture and temperature conditions required for this species' survival, while pollution from agricultural runoff and urban sources degrades the quality of remaining suitable habitats.
Where does Oak Jumping Spider live?
Oak Jumping Spider occurs in Austria, Azerbaijan, Belarus, Belgium, Bosnia & Herzegovina, and Bulgaria (plus 33 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Oak Jumping Spider?
The main threats to Oak Jumping Spider are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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