Black Knapweed vs Cardinal Click Beetle

Centaurea nigra compared with Ampedus cardinalis

Key Differences

Black Knapweed is Not Evaluated while Cardinal Click Beetle is Critically Endangered.

Taxonomic Classification

Rank	Black Knapweed	Cardinal Click Beetle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Asterales (Daisies & Sunflowers)	Coleoptera (Beetles)
Family	Asteraceae (Daisy Family)	Elateridae
Genus	Centaurea	Ampedus
Species	Centaurea nigra	Ampedus cardinalis

Conservation Status

Black Knapweed

NE — Not Evaluated

Cardinal Click Beetle

CR — Critically Endangered

Physical Characteristics

Attribute	Black Knapweed	Cardinal Click Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Knapweed

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile).

Cardinal Click Beetle

Habitat

Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Range

Distributed across Denmark, Norway, Sweden, and Switzerland. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Knapweed

The Black Knapweed (Centaurea nigra) is a species in the genus Centaurea. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Its geographic range spans Widely distributed across Asia (Japan), Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile).

Cardinal Click Beetle

The Cardinal Click Beetle (Ampedus cardinalis) is a species in the genus Ampedus. It is currently classified as Critically Endangered (CR) on the IUCN Red List. Inhabits temperate coniferous forests within the Palearctic biogeographic realm.