Black scale vs Brook Alder

Saissetia oleae compared with Alnus maritima

Key Differences

• Black scale is Not Evaluated while Brook Alder is Endangered.

Taxonomic Classification

Rank	Black scale	Brook Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hemiptera (Hemiptera)	Fagales (Beeches & Oaks)
Family	Coccidae	Betulaceae
Genus	Saissetia	Alnus
Species	Saissetia oleae	Alnus maritima

Conservation Status

Black scale

NE — Not Evaluated

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Black scale	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Brook Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black scale

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

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom