CRCritically Endangered

Strangalia attenuata

Local name: Lepture à étuis étranglés

Strangalia attenuata is a distinctive longhorn beetle characterized by its notably constricted elytra (wing covers) that give it the common name 'narrow-waisted longhorn beetle.' This medium-sized cerambycid beetle displays elongated antennae and a characteristic narrowing behind the shoulders of its wing covers.

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Cerambycidae

Genus

Strangalia

Strangalia attenuata belongs to the family Cerambycidae, order Coleoptera, within the Insecta class.

02Description

Species Profile

Strangalia attenuata is a distinctive longhorn beetle characterized by its notably constricted elytra (wing covers) that give it the common name 'narrow-waisted longhorn beetle.' This medium-sized cerambycid beetle displays elongated antennae and a characteristic narrowing behind the shoulders of its wing covers. As both larva and adult, it plays important ecological roles in forest ecosystems through wood decomposition and pollination services.

Strangalia attenuata faces severe population decline primarily due to habitat loss from deforestation and forest fragmentation, which destroys the old-growth deciduous forests this longhorn beetle species requires for breeding and larval development. Climate change and intensive forest management practices further threaten the remaining suitable habitat patches.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupInsects
03Habitat

Habitat & Distribution

Strangalia attenuata inhabits mature deciduous and mixed forests, particularly those containing oak, beech, and other hardwood species with abundant dead wood and fallen logs. The species requires forest environments with a continuous supply of decaying hardwood timber in various stages of decomposition, typically found in undisturbed woodland areas with natural tree mortality cycles.

04Threats

Threats

!

IUCN Red List: Critically Endangered

Strangalia attenuata faces severe population decline primarily due to habitat loss from deforestation and forest fragmentation, which destroys the old-growth deciduous forests this longhorn beetle species requires for breeding and larval development. Climate change and intensive forest management practices further threaten the remaining suitable habitat patches.

Deforestation and habitat loss

HighOngoing

Forest fragmentation

HighOngoing

Loss of old-growth deciduous forests

HighOngoing

Climate change impacts on forest ecosystems

MediumOngoing

Intensive forest management

MediumOngoing
07National Status

National vs Global Threat Status

How this species is assessed at the national level compared to its IUCN global status (CR).

CountryNational StatusGlobal StatusComparison
EULCLeast ConcernCRCritically EndangeredLower local risk
EULCLeast ConcernCRCritically EndangeredLower local risk

National Red List data sourced from the National Red List Project (nationalredlist.org, ZSL) and country-specific Red List authorities.

Community

Community Sightings

Report a sighting

No community sightings yet. Be the first to report!

07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

National Red Lists: ZSL (2025). National Red List. Zoological Society of London. Available at: https://www.nationalredlist.org

This page: SpeciesRadar (2025). Strangalia attenuata (Strangalia attenuata). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/lepture-a-etuis-etrangles

Full citation guide & data usage terms