Chestnut Coloured Click Beetle vs Cotton Thistle

Anostirus castaneus compared with Onopordum acanthium

Key Differences

Chestnut Coloured Click Beetle is Least Concern while Cotton Thistle is Endangered.

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	Cotton Thistle
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Coleoptera (Beetles)	Asterales (Daisies & Sunflowers)
Family	Elateridae	Asteraceae (Daisy Family)
Genus	Anostirus	Onopordum
Species	Anostirus castaneus	Onopordum acanthium

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Cotton Thistle

EN — Endangered

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Cotton Thistle
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.

Cotton Thistle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Georgia, India, Japan), Europe (22 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil, Chile). 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.