Rhagie ermite
CR

Rhagie ermite

Rhamnusium bicolor

UnknownNTEUNTEU

Photo: Photo: Wikimedia Commons, CC BY-SA

Overview

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

Rhamnusium bicolor faces severe population declines due to widespread deforestation and habitat fragmentation across its range. The species' dependence on mature forest ecosystems makes it particularly vulnerable to logging activities and agricultural conversion, while its specialized larval requirements for specific host trees further compound conservation challenges.

Threat summary

Habitat

This longhorn beetle inhabits mature deciduous and mixed forests, particularly those containing its preferred host trees including oak, beech, and other hardwood species. The species requires well-established forest ecosystems with dead or dying wood for larval development.

TERRESTRIAL· major

Other threatened species in Cerambycidae

Acmaeops septentrionisEN

Acmaeops septentrionis

Unknown
Anaglyptus gibbosusVU

Anaglyptus gibbosus

Unknown
VU

Isotomus barbarae

Unknown
VU

Purpuricenus globulicollis

Unknown

Frequently asked questions

Why is Rhagie ermite classified as Critically Endangered?
Rhagie ermite 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. Rhamnusium bicolor faces severe population declines due to widespread deforestation and habitat fragmentation across its range. The species' dependence on mature forest ecosystems makes it particularly vulnerable to logging activities and agricultural conversion, while its specialized larval requirements for specific host trees further compound conservation challenges.
Where does Rhagie ermite live?
Rhagie ermite occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Rhagie ermite?
The main threats to Rhagie ermite 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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