Blackboard Tree vs California red scale

Alstonia scholaris compared with Aonidiella aurantii

Key Differences

• Blackboard Tree is Least Concern while California red scale is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	California red scale
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Gentianales (Gentianales)	Hemiptera (Hemiptera)
Family	Apocynaceae	Diaspididae
Genus	Alstonia	Aonidiella
Species	Alstonia scholaris	Aonidiella aurantii

Conservation Status

Blackboard Tree

LC — Least Concern

California red scale

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	California red scale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackboard Tree

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Micronesia, Taiwan, and United States.

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).

Blackboard Tree

The Blackboard Tree (Alstonia scholaris) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

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 2 countries:

🇹🇼 Taiwan 🇺🇸 United States