VU

Drassyllus pumilus

Local name: gläntsvartspindel

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Drassyllus pumilus faces severe habitat degradation due to intensive agricultural practices and urban development across its limited Scandinavian range. The species' specialized requirements for undisturbed ground-layer microhabitats make it particularly vulnerable to soil compaction and vegetation changes from livestock grazing and mechanized farming. Climate change poses an additional threat through altered precipitation patterns that affect the moisture-dependent invertebrate prey communities this spider relies upon.

Threat summary

Habitat

This ground-dwelling spider inhabits dry, sandy soils in open grasslands, heathlands, and forest edges across Scandinavia. It requires areas with sparse vegetation cover and stable soil structure, typically found in undisturbed natural grasslands and the margins of coniferous forests.

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Frequently asked questions

Why is gläntsvartspindel classified as Vulnerable?
gläntsvartspindel 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. Drassyllus pumilus faces severe habitat degradation due to intensive agricultural practices and urban development across its limited Scandinavian range. The species' specialized requirements for undisturbed ground-layer microhabitats make it particularly vulnerable to soil compaction and vegetation changes from livestock grazing and mechanized farming. Climate change poses an additional threat through altered precipitation patterns that affect the moisture-dependent invertebrate prey communities this spider relies upon.
Where does gläntsvartspindel live?
gläntsvartspindel occurs in Austria, Belgium, Croatia, Finland, France, and Germany (plus 9 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 gläntsvartspindel?
The main threats to gläntsvartspindel 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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