Clyte frelon
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Clyte frelon

Plagionotus detritus

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Photo: iNaturalist: (c) Henk Wallays, all rights reserved

Overview

Clyte frelon (Plagionotus detritus) is a large longhorn beetle species characterized by its distinctive yellow and black banded pattern and robust build. Adults feed on flower nectar and pollen while their larvae develop within the wood of specific deciduous trees, playing a crucial role as both pollinators and wood decomposers in forest ecosystems.

Plagionotus detritus faces severe population decline primarily due to habitat loss from deforestation and urbanization of its native forest ecosystems. The species' dependence on specific host tree species makes it particularly vulnerable to forest fragmentation and degradation. Climate change may further exacerbate these pressures by altering the distribution and health of its required host plants.

Threat summary

Habitat

The species inhabits mature deciduous and mixed forests, particularly those containing oak, beech, and maple trees. Adults are typically found on flowering shrubs and trees within forest clearings and edges, while larvae require dead or weakened hardwood trees for development.

Frequently asked questions

Why is Clyte frelon classified as Critically Endangered?
Clyte frelon 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. Plagionotus detritus faces severe population decline primarily due to habitat loss from deforestation and urbanization of its native forest ecosystems. The species' dependence on specific host tree species makes it particularly vulnerable to forest fragmentation and degradation. Climate change may further exacerbate these pressures by altering the distribution and health of its required host plants.
Where does Clyte frelon live?
Clyte frelon 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 Clyte frelon?
The main threats to Clyte frelon 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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