Black Night-runner
CR

Black Night-runner

Chlaenius tristis

Unknown

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

Overview

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.

Threat summary

Habitat

TERRESTRIAL· major

Frequently asked questions

Why is Black Night-runner classified as Critically Endangered?
Black Night-runner 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 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.
Where does Black Night-runner live?
Black Night-runner 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 Black Night-runner?
The main threats to Black Night-runner 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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