Alder leaf beetle vs Onion Neck Rot

Agelastica alni compared with Botrytis aclada

Key Differences

• Alder leaf beetle is Least Concern while Onion Neck Rot is Not Evaluated.

Taxonomic Classification

Rank	Alder leaf beetle	Onion Neck Rot
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Leotiomycetes (Leotiomycetes)
Order	Coleoptera (Beetles)	Helotiales (Helotiales)
Family	Chrysomelidae	Sclerotiniaceae
Genus	Agelastica	Botrytis
Species	Agelastica alni	Botrytis aclada

Conservation Status

Alder leaf beetle

LC — Least Concern

Onion Neck Rot

NE — Not Evaluated

Physical Characteristics

Attribute	Alder leaf beetle	Onion Neck Rot
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.

Onion Neck Rot

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Sweden.

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 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden