Arctic Blue vs Common Blue

Agriades aquilo compared with Polyommatus icarus

Key Differences

• Arctic Blue is Near Threatened while Common Blue is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Common Blue
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family same	Lycaenidae	Lycaenidae
Genus	Agriades	Polyommatus
Species	Agriades aquilo	Polyommatus icarus

Evolutionary Relationship

Arctic Blue and Common Blue share a common ancestor at the Family level: Lycaenidae.

Conservation Status

Arctic Blue

NT — Near Threatened

Common Blue

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Common Blue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Finland, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Blue

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Cyprus), Europe (40 countries), and North America (United States).

Arctic Blue

The Arctic Blue (Agriades aquilo) is a species in the genus Agriades. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Common Blue

Common Blue (Polyommatus icarus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 4 countries:

🇫🇮 Finland 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden