Cardinal Click Beetle vs thistle aphid

Ampedus cardinalis compared with Brachycaudus cardui

Key Differences

• Cardinal Click Beetle is Critically Endangered while thistle aphid is Not Evaluated.

Taxonomic Classification

Rank	Cardinal Click Beetle	thistle aphid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Hemiptera (Hemiptera)
Family	Elateridae	Aphididae
Genus	Ampedus	Brachycaudus
Species	Ampedus cardinalis	Brachycaudus cardui

Evolutionary Relationship

Cardinal Click Beetle and thistle aphid share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Cardinal Click Beetle

CR — Critically Endangered

thistle aphid

NE — Not Evaluated

Physical Characteristics

Attribute	Cardinal Click Beetle	thistle aphid
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.

thistle aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries) and North America (United States).

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden