Brook Alder vs California red scale

Alnus maritima compared with Aonidiella aurantii

Key Differences

• Brook Alder is Endangered while California red scale is Not Evaluated.

Taxonomic Classification

Rank	Brook Alder	California red scale
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fagales (Beeches & Oaks)	Hemiptera (Hemiptera)
Family	Betulaceae	Diaspididae
Genus	Alnus	Aonidiella
Species	Alnus maritima	Aonidiella aurantii

Conservation Status

Brook Alder

EN — Endangered

California red scale

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Alder	California red scale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

California red scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Asia (Israel, Japan, Taiwan), Europe (10 countries), and North America (Dominica, United States).

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.

California red scale

The California red scale (Aonidiella aurantii) is a species in the genus Aonidiella. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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