Alder leaf beetle vs Black scale

Agelastica alni compared with Saissetia oleae

Key Differences

• Alder leaf beetle is Least Concern while Black scale is Not Evaluated.

Taxonomic Classification

Rank	Alder leaf beetle	Black scale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Hemiptera (Hemiptera)
Family	Chrysomelidae	Coccidae
Genus	Agelastica	Saissetia
Species	Agelastica alni	Saissetia oleae

Evolutionary Relationship

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

Conservation Status

Alder leaf beetle

LC — Least Concern

Black scale

NE — Not Evaluated

Physical Characteristics

Attribute	Alder leaf beetle	Black scale
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 scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Cyprus, Israel, Taiwan), Europe (22 countries), North America (Dominica, United States), and South America (Chile).

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 scale

The Black scale (Saissetia oleae) is a species in the genus Saissetia. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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