Choragus horni
CR

Choragus horni

Local name: mörk nästingbagge

Unknown

Photo: Photo: John Hallmén via Wikimedia Commons CC BY 3.0

Overview

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

The mörk nästingbagge (Choragus horni) faces severe population declines due to habitat loss and degradation of its specialized fungal microhabitats. This small weevil's dependence on specific fungal associations in decaying wood makes it extremely vulnerable to forest management practices and climate-induced changes in fungal communities.

Threat summary

Habitat

Inhabits mature coniferous and mixed forests where it lives in association with fungi growing on decaying wood, particularly in dead branches and fallen logs. Requires specific microhabitat conditions with appropriate moisture levels and fungal communities.

Other threatened species in Anthribidae

VU

Anthribus fasciatus

Unknown
VU

Anthribus scapularis

Unknown
Choragus sheppardiVU

Choragus sheppardi

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 mörk nästingbagge classified as Critically Endangered?
mörk nästingbagge is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. The mörk nästingbagge (Choragus horni) faces severe population declines due to habitat loss and degradation of its specialized fungal microhabitats. This small weevil's dependence on specific fungal associations in decaying wood makes it extremely vulnerable to forest management practices and climate-induced changes in fungal communities.
Where does mörk nästingbagge live?
mörk nästingbagge occurs in Austria, Denmark, Estonia, France, Germany, and Norway (plus 3 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 mörk nästingbagge?
The main threats to mörk nästingbagge 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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