Alder leaf beetle vs Black Stubble Lichen

Agelastica alni compared with Calicium abietinum

Key Differences

Alder leaf beetle is Least Concern while Black Stubble Lichen is Endangered.

Taxonomic Classification

Rank	Alder leaf beetle	Black Stubble Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Lecanoromycetes (Lecanoromycetes)
Order	Coleoptera (Beetles)	Caliciales (Caliciales)
Family	Chrysomelidae	Caliciaceae
Genus	Agelastica	Calicium
Species	Agelastica alni	Calicium abietinum

Conservation Status

Alder leaf beetle

LC — Least Concern

Black Stubble Lichen

EN — Endangered

Physical Characteristics

Attribute	Alder leaf beetle	Black Stubble Lichen
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 Stubble Lichen

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia). Currently classified as 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.

Black Stubble Lichen

The Black Stubble Lichen (Calicium abietinum) is a species in the genus Calicium. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region, found across Colombia, Denmark, Norway, Portugal, Sweden, and more.