Alder leaf beetle vs roker

Agelastica alni compared with Raja clavata

Key Differences

• Alder leaf beetle is Least Concern while roker is Near Threatened.

Taxonomic Classification

Rank	Alder leaf beetle	roker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Elasmobranchii
Order	Coleoptera (Beetles)	Rajiformes (Rajiformes)
Family	Chrysomelidae	Rajidae
Genus	Agelastica	Raja
Species	Agelastica alni	Raja clavata

Evolutionary Relationship

Alder leaf beetle and roker share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder leaf beetle

LC — Least Concern

roker

NT — Near Threatened

Physical Characteristics

Attribute	Alder leaf beetle	roker
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.

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden