Cardinal Click Beetle vs Scallop Shell

Ampedus cardinalis compared with Rheumaptera undulata

Key Differences

• Cardinal Click Beetle is Critically Endangered while Scallop Shell is Least Concern.

Taxonomic Classification

Rank	Cardinal Click Beetle	Scallop Shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Elateridae	Geometridae
Genus	Ampedus	Rheumaptera
Species	Ampedus cardinalis	Rheumaptera undulata

Evolutionary Relationship

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

Conservation Status

Cardinal Click Beetle

CR — Critically Endangered

Scallop Shell

LC — Least Concern

Physical Characteristics

Attribute	Cardinal Click Beetle	Scallop Shell
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.

Scallop Shell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada, Denmark, Norway, and 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 2 countries:

🇩🇰 Denmark 🇳🇴 Norway