Blackboard Tree vs Emerald Spreadwing

Alstonia scholaris compared with Lestes dryas

Key Differences

Blackboard Tree is Least Concern while Emerald Spreadwing is Vulnerable.

Taxonomic Classification

Rank	Blackboard Tree	Emerald Spreadwing
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Gentianales (Gentianales)	Odonata (Odonata)
Family	Apocynaceae	Lestidae
Genus	Alstonia	Lestes
Species	Alstonia scholaris	Lestes dryas

Conservation Status

Blackboard Tree

LC — Least Concern

Emerald Spreadwing

VU — Vulnerable

Physical Characteristics

Attribute	Blackboard Tree	Emerald Spreadwing
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.

Emerald Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Emerald Spreadwing

Emerald Spreadwing (Lestes dryas) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.