VU

myrfuktspindel

Robertus ungulatus

Unknown

Overview

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

Robertus ungulatus faces significant pressure from habitat degradation in its specialized cave and underground environments. The species' extremely limited distribution makes it particularly vulnerable to localized disturbances, including changes in groundwater levels and human activities near cave systems. Climate change poses an additional threat by potentially altering the delicate moisture and temperature conditions essential for this subterranean spider's survival.

Threat summary

Habitat

This specialized spider inhabits caves and underground cavities, particularly in limestone karst formations where it occupies the dark, humid zones beyond the entrance areas. The species requires stable temperature and moisture conditions typical of deep cave environments.

Other threatened species in Theridiidae

VU

vergeten molspin

Robertus neglectus

Unknown
geelvlekjachtkogelspinVU

geelvlekjachtkogelspin

Euryopis flavomaculata

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gevlekte steatodaVU

gevlekte steatoda

Steatoda albomaculata

Unknown
gemarmerde galgspinVU

gemarmerde galgspin

Dipoena melanogaster

Unknown

Threatened in Austria

Calidris ferrugineaVU

Calidris ferruginea

Declining
Anthophore estivaleCR

Anthophore estivale

Anthophora aestivalis

Unknown
Adonis BlueVU

Adonis Blue

Lysandra bellargus

Unknown
agnhodeedderkoppCR

agnhodeedderkopp

Walckenaeria alticeps

Unknown

Frequently asked questions

Why is myrfuktspindel classified as Vulnerable?
myrfuktspindel 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. Robertus ungulatus faces significant pressure from habitat degradation in its specialized cave and underground environments. The species' extremely limited distribution makes it particularly vulnerable to localized disturbances, including changes in groundwater levels and human activities near cave systems. Climate change poses an additional threat by potentially altering the delicate moisture and temperature conditions essential for this subterranean spider's survival.
Where does myrfuktspindel live?
myrfuktspindel occurs in Austria, Denmark, Estonia, Finland, Norway, and Poland (plus 1 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 myrfuktspindel?
The main threats to myrfuktspindel 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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