Alder leaf beetle vs Pixie Foam

Agelastica alni compared with Stereocaulon pileatum

Key Differences

• Alder leaf beetle is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Alder leaf beetle	Pixie Foam
Kingdom	Animalia (동물)	Fungi (균계)
Phylum	Arthropoda (절지동물)	Ascomycota (자낭균류)
Class	Insecta (곤충)	Lecanoromycetes (요강버섯강)
Order	Coleoptera (딱정벌레목)	Lecanorales (레카노라목)
Family	Chrysomelidae	Stereocaulaceae
Genus	Agelastica	Stereocaulon
Species	Agelastica alni	Stereocaulon pileatum

Conservation Status

Alder leaf beetle

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Alder leaf beetle	Pixie Foam
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.

Pixie Foam

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. 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 4 countries:

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