VU

Bagous lutulosus

Local name: tågvivel

Unknown

Overview

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

Bagous lutulosus faces severe habitat degradation due to wetland drainage and agricultural intensification across its limited Scandinavian range. The species' dependence on specific aquatic plant hosts makes it particularly vulnerable to water quality changes and eutrophication from agricultural runoff. Climate change poses an additional threat by altering the hydrology of its specialized wetland habitats.

Threat summary

Habitat

This specialized weevil inhabits freshwater wetlands, marshes, and shallow lake margins where it feeds on aquatic and semi-aquatic plants. The species requires clean, nutrient-poor waters with abundant emergent vegetation, particularly sedges and rushes that serve as both food sources and breeding sites.

Other threatened species in Curculionidae

strandsenapvivelCR

strandsenapvivel

Ceutorhynchus scapularis

Unknown
VU

gulsporresmalvivel

Mecinus heydeni

Unknown
VU

Teplouchovs bastborre

Carphoborus teplouchovi

Unknown
VU

lusernvivel

Sitona humeralis

Unknown

Threatened in Åland Islands

Calidris ferrugineaVU

Calidris ferruginea

Declining
Scarce BlackneckCR

Scarce Blackneck

Lygephila craccae

Unknown
EN

knopphodeedderkopp

Walckenaeria nodosa

Unknown
EN

Dolichopus notatus

Unknown

Frequently asked questions

Why is tågvivel classified as Vulnerable?
tågvivel 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. Bagous lutulosus faces severe habitat degradation due to wetland drainage and agricultural intensification across its limited Scandinavian range. The species' dependence on specific aquatic plant hosts makes it particularly vulnerable to water quality changes and eutrophication from agricultural runoff. Climate change poses an additional threat by altering the hydrology of its specialized wetland habitats.
Where does tågvivel live?
tågvivel occurs in Åland Islands, Austria, Belgium, Denmark, Finland, and France (plus 8 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 tågvivel?
The main threats to tågvivel 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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