Thamiocolus viduatus
VU

Thamiocolus viduatus

Local name: knölsyskevivel

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Thamiocolus_viduatus

Overview

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

Thamiocolus viduatus faces significant pressure from agricultural expansion and intensive farming practices that fragment and degrade its specialized habitat requirements. Urban development and infrastructure projects have reduced available nesting sites, while pesticide use in surrounding agricultural areas affects both the species directly and its invertebrate prey base. Climate-induced changes in precipitation patterns may be altering the microhabitat conditions this species depends on for successful reproduction.

Threat summary

Habitat

This species inhabits semi-arid scrublands and grasslands with scattered shrubs, typically at elevations between 200-800 meters. It shows a preference for areas with specific soil types that support particular plant communities and adequate invertebrate prey populations.

Other threatened species in Curculionidae

strandsenapvivelCR

strandsenapvivel

Ceutorhynchus scapularis

Unknown
VU

lusernvivel

Sitona humeralis

Unknown
VU

Bradybatus kellneri

Unknown
VU

Pygmy Elm Bark Beetle

Scolytus pygmaeus

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 knölsyskevivel classified as Vulnerable?
knölsyskevivel 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. Thamiocolus viduatus faces significant pressure from agricultural expansion and intensive farming practices that fragment and degrade its specialized habitat requirements. Urban development and infrastructure projects have reduced available nesting sites, while pesticide use in surrounding agricultural areas affects both the species directly and its invertebrate prey base. Climate-induced changes in precipitation patterns may be altering the microhabitat conditions this species depends on for successful reproduction.
Where does knölsyskevivel live?
knölsyskevivel occurs in Austria, Denmark, Estonia, Finland, France, and Germany (plus 13 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 knölsyskevivel?
The main threats to knölsyskevivel 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.

Get weekly conservation intelligence

One short digest a week of the most striking species and country data we ship, plus breaking conservation news paired with our database where it matters.

Free, no spam. One-click unsubscribe in every email.