Chestnut Coloured Click Beetle vs Lesser Red-knotgrass

Anostirus castaneus compared with Polygonum arenarium

Key Differences

• Chestnut Coloured Click Beetle is Least Concern while Lesser Red-knotgrass is Not Evaluated.

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	Lesser Red-knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Coleoptera (Beetles)	Caryophyllales (Caryophyllales)
Family	Elateridae	Polygonaceae
Genus	Anostirus	Polygonum
Species	Anostirus castaneus	Polygonum arenarium

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Lesser Red-knotgrass

NE — Not Evaluated

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Lesser Red-knotgrass
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.

Lesser Red-knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (11 countries) and North America (United States).

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:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden