Alder leaf beetle vs Black Knot

Agelastica alni compared with Apiosporina morbosa

Key Differences

• Alder leaf beetle is Least Concern while Black Knot is Not Evaluated.

Taxonomic Classification

Rank	Alder leaf beetle	Black Knot
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Dothideomycetes (Dothideomycetes)
Order	Coleoptera (Beetles)	Venturiales (Venturiales)
Family	Chrysomelidae	Venturiaceae
Genus	Agelastica	Apiosporina
Species	Agelastica alni	Apiosporina morbosa

Conservation Status

Alder leaf beetle

LC — Least Concern

Black Knot

NE — Not Evaluated

Physical Characteristics

Attribute	Alder leaf beetle	Black Knot
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.

Black Knot

Habitat

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

Range

Distributed across Denmark, Norway, and United States.

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.

Black Knot

The Black Knot (Apiosporina morbosa) is a species in the genus Apiosporina. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Its geographic range spans Distributed across Denmark, Norway, and United States.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇺🇸 United States