Birch Marble vs Onion Downy Mildew

Apotomis betuletana compared with Peronospora destructor

Key Differences

• Birch Marble is Least Concern while Onion Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Birch Marble	Onion Downy Mildew
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Arthropoda (Arthropods)	Oomycota (Oomycetes)
Class	Insecta (Insects)	Peronosporea (Peronosporea)
Order	Lepidoptera (Butterflies & Moths)	Peronosporales (Peronosporales)
Family	Tortricidae	Peronosporaceae
Genus	Apotomis	Peronospora
Species	Apotomis betuletana	Peronospora destructor

Conservation Status

Birch Marble

LC — Least Concern

Onion Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Birch Marble	Onion Downy Mildew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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).

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. 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