Alder leaf beetle vs crested newt

Agelastica alni compared with Triturus cristatus

Key Differences

• Alder leaf beetle is Least Concern while crested newt is Near Threatened.

Taxonomic Classification

Rank	Alder leaf beetle	crested newt
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Amphibia (Amphibians)
Order	Coleoptera (Beetles)	Caudata (Caudata)
Family	Chrysomelidae	Salamandridae
Genus	Agelastica	Triturus
Species	Agelastica alni	Triturus cristatus

Evolutionary Relationship

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

Conservation Status

Alder leaf beetle

LC — Least Concern

crested newt

NT — Near Threatened

Physical Characteristics

Attribute	Alder leaf beetle	crested newt
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.

crested newt

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found across Europe (6 countries). 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.

crested newt

crested newt (Triturus cristatus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 4 countries:

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