CRCritically Endangered

Pardosa sphagnicola

Local name: Tørvemosejæger

Pardosa sphagnicola, commonly known as Tørvemosejæger or the bog wolf spider, is a critically endangered arachnid species with an extremely limited distribution. This small wolf spider is endemic to specific peat bog ecosystems in Denmark, where it has adapted to the unique conditions of sphagnum moss habitats.

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Countries

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Lycosidae

Genus

Pardosa

Pardosa sphagnicola belongs to the family Lycosidae, order Araneae, within the Arachnida class.

02Description

Species Profile

Pardosa sphagnicola, commonly known as Tørvemosejæger or the bog wolf spider, is a critically endangered arachnid species with an extremely limited distribution. This small wolf spider is endemic to specific peat bog ecosystems in Denmark, where it has adapted to the unique conditions of sphagnum moss habitats. The species belongs to the Lycosidae family and exhibits the characteristic hunting behavior of wolf spiders, actively pursuing prey rather than building webs. Its specialized habitat requirements make it particularly vulnerable to environmental changes. The primary threats to P. sphagnicola include habitat destruction through peat extraction, drainage of wetlands for agricultural or urban development, and climate change impacts on bog ecosystems. The fragmentation of remaining suitable habitats further isolates populations and reduces genetic diversity. Additionally, changes in hydrology and vegetation composition within bog systems can alter the microhabitat conditions essential for the species' survival. Conservation efforts focus on protecting remaining peat bog habitats through designation of protected areas and restoration of degraded wetland systems. Habitat management practices aim to maintain appropriate water levels and preserve the natural bog vegetation structure. Research initiatives work to better understand the species' ecology, population dynamics, and specific habitat requirements to inform targeted conservation strategies. The critically endangered status reflects the urgent need for immediate conservation action to prevent extinction of this specialized bog-dwelling spider.

The primary threats include habitat destruction from peat extraction and wetland drainage for development, which directly eliminates the specialized bog ecosystems this spider requires. Climate change and altered hydrology further degrade remaining habitats by changing water levels and vegetation composition in bog systems.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupArachnids
03Habitat

Habitat & Distribution

Pardosa sphagnicola inhabits peat bog ecosystems characterized by sphagnum moss communities and specific hydrological conditions. The species requires the unique microhabitat conditions found in these acidic, nutrient-poor wetland environments.

04Threats

Threats

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IUCN Red List: Critically Endangered

The primary threats include habitat destruction from peat extraction and wetland drainage for development, which directly eliminates the specialized bog ecosystems this spider requires. Climate change and altered hydrology further degrade remaining habitats by changing water levels and vegetation composition in bog systems.

Detailed threat classification data is sourced from IUCN assessments as they become available.

Community

Community Sightings

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07Sources

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). Pardosa sphagnicola (Pardosa sphagnicola). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/trvemosejger

Full citation guide & data usage terms