Cave ground-beetle vs Chestnut Coloured Click Beetle

Trechus picoensis compared with Anostirus castaneus

Key Differences

• Cave ground-beetle is Endangered while Chestnut Coloured Click Beetle is Least Concern.

Taxonomic Classification

Rank	Cave ground-beetle	Chestnut Coloured Click Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Coleoptera (Beetles)	Coleoptera (Beetles)
Family	Carabidae	Elateridae
Genus	Trechus	Anostirus
Species	Trechus picoensis	Anostirus castaneus

Evolutionary Relationship

Cave ground-beetle and Chestnut Coloured Click Beetle share a common ancestor at the Order level: Coleoptera. (Beetles)

Conservation Status

Cave ground-beetle

EN — Endangered

Chestnut Coloured Click Beetle

LC — Least Concern

Physical Characteristics

Attribute	Cave ground-beetle	Chestnut Coloured Click Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cave ground-beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Chestnut Coloured Click Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

Cave ground-beetle

The Cave ground-beetle (Trechus picoensis) is a species in the genus Trechus. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Chestnut Coloured Click Beetle

The Chestnut Coloured Click Beetle (Anostirus castaneus) is a species in the genus Anostirus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.