Alder leaf beetle vs Brown Ear

Agelastica alni compared with Otidea cochleata

Key Differences

• Alder leaf beetle is Least Concern while Brown Ear is Vulnerable.

Taxonomic Classification

Rank	Alder leaf beetle	Brown Ear
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Pezizomycetes (Pezizomycetes)
Order	Coleoptera (Beetles)	Pezizales (Pezizales)
Family	Chrysomelidae	Otideaceae
Genus	Agelastica	Otidea
Species	Agelastica alni	Otidea cochleata

Conservation Status

Alder leaf beetle

LC — Least Concern

Brown Ear

VU — Vulnerable

Physical Characteristics

Attribute	Alder leaf beetle	Brown Ear
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.

Brown Ear

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Vulnerable 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.

Brown Ear

The Brown Ear (Otidea cochleata) is a species in the genus Otidea. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States