Chestnut Coloured Click Beetle vs Silky Wave

Anostirus castaneus compared with Idaea dilutaria

Key Differences

• Chestnut Coloured Click Beetle is Least Concern while Silky Wave is Endangered.

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	Silky Wave
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	Geometridae
Genus	Anostirus	Idaea
Species	Anostirus castaneus	Idaea dilutaria

Evolutionary Relationship

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

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Silky Wave

EN — Endangered

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Silky Wave
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.

Silky Wave

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden. 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 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden