Cardinal Click Beetle vs Diffuse knapweed

Ampedus cardinalis compared with Centaurea diffusa

Key Differences

Cardinal Click Beetle is Critically Endangered while Diffuse knapweed is Not Evaluated.

Taxonomic Classification

Rank	Cardinal Click Beetle	Diffuse knapweed
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	Ampedus	Centaurea
Species	Ampedus cardinalis	Centaurea diffusa

Conservation Status

Cardinal Click Beetle

CR — Critically Endangered

Diffuse knapweed

NE — Not Evaluated

Physical Characteristics

Attribute	Cardinal Click Beetle	Diffuse knapweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Diffuse knapweed

Habitat

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

Range

Widely distributed across Asia (6 countries), Europe (26 countries), North America (Canada, United States), and South America (Argentina).

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.