VU

lusernvivel

Sitona humeralis

Unknown

Overview

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

The lusernvivel faces severe pressure from agricultural intensification and the widespread use of pesticides in its alpine meadow habitats. Climate change poses an additional threat as warming temperatures push suitable habitat to higher elevations, fragmenting populations across isolated mountain peaks. The species' specialized relationship with leguminous plants makes it particularly vulnerable to changes in plant community composition driven by altered precipitation patterns and grazing pressure.

Threat summary

Habitat

This weevil inhabits alpine and subalpine meadows across European mountain ranges, particularly areas with abundant leguminous plants including clover and vetch species. It prefers well-drained grasslands at elevations between 1,200-2,400 meters where its host plants thrive in the short growing seasons.

Frequently asked questions

Why is lusernvivel classified as Vulnerable?
lusernvivel 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. The lusernvivel faces severe pressure from agricultural intensification and the widespread use of pesticides in its alpine meadow habitats. Climate change poses an additional threat as warming temperatures push suitable habitat to higher elevations, fragmenting populations across isolated mountain peaks. The species' specialized relationship with leguminous plants makes it particularly vulnerable to changes in plant community composition driven by altered precipitation patterns and grazing pressure.
Where does lusernvivel live?
lusernvivel occurs in Algeria, Austria, Belarus, Belgium, Bulgaria, and Croatia (plus 33 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 lusernvivel?
The main threats to lusernvivel 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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