Chestnut Coloured Click Beetle vs False Bruce Spanworm

Anostirus castaneus compared with Macaria loricaria

Key Differences

• Chestnut Coloured Click Beetle is Least Concern while False Bruce Spanworm is Near Threatened.

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	False Bruce Spanworm
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	Macaria
Species	Anostirus castaneus	Macaria loricaria

Evolutionary Relationship

Chestnut Coloured Click Beetle and False Bruce Spanworm share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

False Bruce Spanworm

NT — Near Threatened

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	False Bruce Spanworm
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.

False Bruce Spanworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden