Black Night-runner
CRCritically Endangered

Black Night-runner

Chlaenius tristis

This is a list of 1082 species in the genus Chlaenius, vivid metallic ground beetles.

Photo: iNaturalist: (c) Shiwan Lu, some rights reserved (CC BY-NC-SA), uploaded by Shiwan Lu

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Carabidae

Genus

Chlaenius

Black Night-runner belongs to the family Carabidae, order Coleoptera, within the Insecta class.

02Description

Species Profile

This is a list of 1082 species in the genus Chlaenius, vivid metallic ground beetles.

The Black Night-runner (Chlaenius tristis) is critically endangered primarily due to habitat loss and degradation of its specialized wetland environments. Urban development, agricultural expansion, and water management practices have severely reduced and fragmented the riparian and marsh habitats this ground beetle species requires for survival.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupInsects
03Habitat

Habitat & Distribution

TERRESTRIALMajor
04Threats

Threats

!

IUCN Red List: Critically Endangered

The Black Night-runner (Chlaenius tristis) is critically endangered primarily due to habitat loss and degradation of its specialized wetland environments. Urban development, agricultural expansion, and water management practices have severely reduced and fragmented the riparian and marsh habitats this ground beetle species requires for survival.

Agricultural conversion of wetlands

HighOngoing

Habitat loss from urban development

HighOngoing

Water management and drainage projects

HighOngoing

Climate change affecting wetland hydrology

MediumOngoing

Habitat fragmentation

MediumOngoing
Community

Community Sightings

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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

This page: SpeciesRadar (2025). Black Night-runner (Chlaenius tristis). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/black-night-runner

Full citation guide & data usage terms