Chestnut Coloured Click Beetle vs Narrowleaf knotweed

Anostirus castaneus compared with Polygonum bellardii

Key Differences

• Chestnut Coloured Click Beetle is Least Concern while Narrowleaf knotweed is Not Evaluated.

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	Narrowleaf knotweed
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Arthropoda (节肢动物门)	Magnoliophyta (木兰植物门)
Class	Insecta (昆蟲綱)	Magnoliopsida (木兰纲)
Order	Coleoptera (鞘翅目)	Caryophyllales (石竹目)
Family	Elateridae	Polygonaceae
Genus	Anostirus	Polygonum
Species	Anostirus castaneus	Polygonum bellardii

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Narrowleaf knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Narrowleaf knotweed
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.

Narrowleaf knotweed

Habitat

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

Range

Widely distributed across Europe (12 countries), North America (United States), and Oceania and the Pacific (Australia).

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