Alder vs California red scale

Alnus glutinosa compared with Aonidiella aurantii

Key Differences

• Alder is Least Concern while California red scale is Not Evaluated.

Taxonomic Classification

Rank	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 glutinosa	Aonidiella aurantii

Conservation Status

Alder

LC — Least Concern

California red scale

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Alder

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (India, Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile).

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).

Alder

The Alder (Alnus glutinosa) is a species in the genus Alnus. It is currently classified as Least Concern 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 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇯🇵 Japan 🇵🇹 Portugal 🇿🇦 South Africa 🇺🇸 United States