Blackhead worm vs Cardinal Click Beetle

Aporrectodea longa compared with Ampedus cardinalis

Key Differences

• Blackhead worm is Not Evaluated while Cardinal Click Beetle is Critically Endangered.

Taxonomic Classification

Rank	Blackhead worm	Cardinal Click Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Annelida (Segmented Worms)	Arthropoda (Arthropods)
Class	Clitellata (Clitellata)	Insecta (Insects)
Order	Crassiclitellata (Crassiclitellata)	Coleoptera (Beetles)
Family	Lumbricidae	Elateridae
Genus	Aporrectodea	Ampedus
Species	Aporrectodea longa	Ampedus cardinalis

Evolutionary Relationship

Blackhead worm and Cardinal Click Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blackhead worm

NE — Not Evaluated

Cardinal Click Beetle

CR — Critically Endangered

Physical Characteristics

Attribute	Blackhead worm	Cardinal Click Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackhead worm

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.

Blackhead worm

The Blackhead worm (Aporrectodea longa) is a species in the genus Aporrectodea. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Belgium, Denmark, Norway, Sweden, 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden