Alder leaf beetle vs Black-edged Marble

Agelastica alni compared with Endothenia nigricostana

Key Differences

• Alder leaf beetle is Least Concern while Black-edged Marble is Near Threatened.

Taxonomic Classification

Rank	Alder leaf beetle	Black-edged Marble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Chrysomelidae	Tortricidae
Genus	Agelastica	Endothenia
Species	Agelastica alni	Endothenia nigricostana

Evolutionary Relationship

Alder leaf beetle and Black-edged Marble share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Alder leaf beetle

LC — Least Concern

Black-edged Marble

NT — Near Threatened

Physical Characteristics

Attribute	Alder leaf beetle	Black-edged Marble
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-edged Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, 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.

Black-edged Marble

The Black-edged Marble (Endothenia nigricostana) is a species in the genus Endothenia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden