Cardinal Click Beetle vs Onion Downy Mildew

Ampedus cardinalis compared with Peronospora destructor

Key Differences

• Cardinal Click Beetle is Critically Endangered while Onion Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Cardinal Click Beetle	Onion Downy Mildew
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Arthropoda (Arthropods)	Oomycota (Oomycetes)
Class	Insecta (Insects)	Peronosporea (Peronosporea)
Order	Coleoptera (Beetles)	Peronosporales (Peronosporales)
Family	Elateridae	Peronosporaceae
Genus	Ampedus	Peronospora
Species	Ampedus cardinalis	Peronospora destructor

Conservation Status

Cardinal Click Beetle

CR — Critically Endangered

Onion Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Cardinal Click Beetle	Onion Downy Mildew
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.

Onion Downy Mildew

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).

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:

🇳🇴 Norway 🇸🇪 Sweden