Alder leaf beetle vs Impatiens Downy Mildew

Agelastica alni compared with Plasmopara obducens

Key Differences

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

Taxonomic Classification

Rank	Alder leaf beetle	Impatiens Downy Mildew
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Arthropoda (Arthropods)	Oomycota (Oomycetes)
Class	Insecta (Insects)	Peronosporea (Peronosporea)
Order	Coleoptera (Beetles)	Peronosporales (Peronosporales)
Family	Chrysomelidae	Peronosporaceae
Genus	Agelastica	Plasmopara
Species	Agelastica alni	Plasmopara obducens

Conservation Status

Alder leaf beetle

LC — Least Concern

Impatiens Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Alder leaf beetle	Impatiens 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.

Impatiens Downy Mildew

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and Taiwan.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden