Chestnut Coloured Click Beetle vs Small Eggar

Anostirus castaneus compared with Eriogaster lanestris

Key Differences

• Chestnut Coloured Click Beetle is Least Concern while Small Eggar is Vulnerable.

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	Small Eggar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Elateridae	Lasiocampidae
Genus	Anostirus	Eriogaster
Species	Anostirus castaneus	Eriogaster lanestris

Evolutionary Relationship

Chestnut Coloured Click Beetle and Small Eggar share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Small Eggar

VU — Vulnerable

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Small Eggar
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.

Small Eggar

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden