Alder leaf beetle vs Rosette Tooth

Agelastica alni compared with Hydnellum cumulatum

Key Differences

• Alder leaf beetle is Least Concern while Rosette Tooth is Critically Endangered.

Taxonomic Classification

Rank	Alder leaf beetle	Rosette Tooth
Kingdom	Animalia (animal)	Fungi (Fungi)
Phylum	Arthropoda (arthropodes)	Basidiomycota (Club Fungi)
Class	Insecta (insecte)	Agaricomycetes (Mushrooms)
Order	Coleoptera (Beetles)	Thelephorales (Thelephorales)
Family	Chrysomelidae	Bankeraceae
Genus	Agelastica	Hydnellum
Species	Agelastica alni	Hydnellum cumulatum

Conservation Status

Alder leaf beetle

LC — Least Concern

Rosette Tooth

CR — Critically Endangered

Physical Characteristics

Attribute	Alder leaf beetle	Rosette Tooth
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.

Rosette Tooth

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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