sorgnattedderkopp
Gnaphosa lucifuga
Gnaphosa lucifuga is a ground spider species with Palearctic distribution.
24
Countries
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Gnaphosa_lucifuga
Taxonomy & Classification
Kingdom
Animalia
Phylum
Arthropoda
Class
Arachnida
Order
Araneae
Family
Gnaphosidae
Genus
Gnaphosa
sorgnattedderkopp belongs to the family Gnaphosidae, order Araneae, within the Arachnida class.
Species Profile
Gnaphosa lucifuga is a ground spider species with Palearctic distribution.
Gnaphosa lucifuga faces severe population declines due to habitat destruction and degradation of its specialized cave and underground environments. Human activities including cave disturbance, mining operations, and groundwater pollution have significantly reduced available habitat, while the species' limited dispersal ability makes population recovery extremely difficult.
Key Facts
Habitat & Distribution
This species inhabits caves, underground cavities, cellars, and other dark subterranean environments, typically in areas with stable temperature and humidity conditions. It shows a strong preference for deep cave zones and artificial underground structures that mimic natural cave conditions.
Threats
IUCN Red List: Critically Endangered
Gnaphosa lucifuga faces severe population declines due to habitat destruction and degradation of its specialized cave and underground environments. Human activities including cave disturbance, mining operations, and groundwater pollution have significantly reduced available habitat, while the species' limited dispersal ability makes population recovery extremely difficult.
Cave habitat destruction and modification
Human disturbance and recreational caving
Mining and quarrying activities
Groundwater pollution and hydrological changes
Limited dispersal ability and habitat fragmentation
Found in 24 Countries
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). sorgnattedderkopp (Gnaphosa lucifuga). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/sorgnattedderkopp