Chestnut Coloured Click Beetle vs Six-spotted spider beetle

Anostirus castaneus compared with Ptinus sexpunctatus

Key Differences

• Chestnut Coloured Click Beetle is Least Concern while Six-spotted spider beetle is Endangered.

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	Six-spotted spider 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	Elateridae	Ptinidae
Genus	Anostirus	Ptinus
Species	Anostirus castaneus	Ptinus sexpunctatus

Evolutionary Relationship

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

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Six-spotted spider beetle

EN — Endangered

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Six-spotted spider beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Coloured Click Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Six-spotted spider beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (Canada, United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇨🇭 Switzerland