Northern Emerald vs Williamson's Emerald

Somatochlora arctica compared with Somatochlora williamsoni

Key Differences

• Northern Emerald is Endangered while Williamson's Emerald is Least Concern.

Taxonomic Classification

Rank	Northern Emerald	Williamson's Emerald
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Arthropoda (节肢动物门)	Arthropoda (节肢动物门)
Class same	Insecta (昆蟲綱)	Insecta (昆蟲綱)
Order same	Odonata (蜻蜓目)	Odonata (蜻蜓目)
Family same	Corduliidae	Corduliidae
Genus same	Somatochlora	Somatochlora
Species	Somatochlora arctica	Somatochlora williamsoni

Evolutionary Relationship

Northern Emerald and Williamson's Emerald share a common ancestor at the Genus level: Somatochlora.

Conservation Status

Northern Emerald

EN — Endangered

Williamson's Emerald

LC — Least Concern

Physical Characteristics

Attribute	Northern Emerald	Williamson's Emerald
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Williamson's Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

Northern Emerald

Northern Emerald（Somatochlora arctica，北方绿蜻蜓）在IUCN红色名录中被列为濒危（EN）。在野外面临高度灭绝风险，种群大幅下降，生存受到持续威胁。