Chestnut Coloured Click Beetle vs Onion Downy Mildew

Anostirus castaneus compared with Peronospora destructor

Key Differences

• Chestnut Coloured Click Beetle is Least Concern while Onion Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Chestnut Coloured 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	Anostirus	Peronospora
Species	Anostirus castaneus	Peronospora destructor

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Onion Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Onion Downy Mildew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Coloured Click Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

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).

Chestnut Coloured Click Beetle

The Chestnut Coloured Click Beetle (Anostirus castaneus) is a species in the genus Anostirus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden