Alder leaf beetle vs Cosson's hook moss

Agelastica alni compared with Scorpidium cossonii

Key Differences

• Alder leaf beetle is Least Concern while Cosson's hook moss is Vulnerable.

Taxonomic Classification

Rank	Alder leaf beetle	Cosson's hook moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Bryophyta
Class	Insecta (Insects)	Bryopsida (Bryopsida)
Order	Coleoptera (Beetles)	Hypnales (Hypnales)
Family	Chrysomelidae	Scorpidiaceae
Genus	Agelastica	Scorpidium
Species	Agelastica alni	Scorpidium cossonii

Conservation Status

Alder leaf beetle

LC — Least Concern

Cosson's hook moss

VU — Vulnerable

Physical Characteristics

Attribute	Alder leaf beetle	Cosson's hook moss
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.

Cosson's hook moss

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 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.

Shared Countries

Both species can be found in 5 countries:

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