Alder leaf beetle vs Grapevine Downy Mildew

Agelastica alni compared with Plasmopara viticola

Key Differences

• Alder leaf beetle is Least Concern while Grapevine Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Alder leaf beetle	Grapevine Downy Mildew
Kingdom	Animalia (動物)	Chromista (クロミスタ)
Phylum	Arthropoda (節足動物)	Oomycota (卵菌)
Class	Insecta (昆虫)	Peronosporea (Peronosporea)
Order	Coleoptera (コウチュウ目)	Peronosporales (Peronosporales)
Family	Chrysomelidae	Peronosporaceae
Genus	Agelastica	Plasmopara
Species	Agelastica alni	Plasmopara viticola

Conservation Status

Alder leaf beetle

LC — Least Concern

Grapevine Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Alder leaf beetle	Grapevine Downy Mildew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder leaf beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Grapevine Downy Mildew

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (13 countries), North America (United States), and South America (Brazil).

Alder leaf beetle

The Alder leaf beetle (Agelastica alni) is a species in the genus Agelastica. 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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States