EN

torvnattedderkopp

Gnaphosa nigerrima

Unknown

Overview

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

Gnaphosa nigerrima faces severe habitat degradation from agricultural intensification and urban development across its limited Scandinavian range. The species' specialized requirements for undisturbed sandy soils and sparse vegetation make it particularly vulnerable to land-use changes. Climate change poses an additional threat by altering the microhabitat conditions essential for this ground-dwelling spider's survival and reproduction.

Threat summary

Habitat

This species inhabits dry, sandy soils with sparse vegetation, typically found in coastal dunes, sandy heathlands, and open woodland edges. It requires well-drained substrates with minimal ground cover where it can construct its characteristic ground-level retreats.

Other threatened species in Gnaphosidae

zandmuisspinCR

zandmuisspin

Haplodrassus umbratilis

Unknown
VU

Haplodrassus minor

Unknown
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Drassyllus pumilus

Unknown
VU

stekelkampoot

Zelotes longipes

Unknown

Threatened in Afghanistan

Calidris ferrugineaVU

Calidris ferruginea

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VU

Urial

Ovis vignei

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VU

Indian Spiny-tailed Lizard

Saara hardwickii

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EN

Malus komarovii

Declining

Frequently asked questions

Why is torvnattedderkopp classified as Endangered?
torvnattedderkopp is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Gnaphosa nigerrima faces severe habitat degradation from agricultural intensification and urban development across its limited Scandinavian range. The species' specialized requirements for undisturbed sandy soils and sparse vegetation make it particularly vulnerable to land-use changes. Climate change poses an additional threat by altering the microhabitat conditions essential for this ground-dwelling spider's survival and reproduction.
Where does torvnattedderkopp live?
torvnattedderkopp occurs in Afghanistan, Åland Islands, Austria, Belgium, Denmark, and Estonia (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 torvnattedderkopp?
The main threats to torvnattedderkopp 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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