Arctic Blue vs Black-Lined Periwinkle

Agriades aquilo compared with Littorina saxatilis

Key Differences

• Arctic Blue is Near Threatened while Black-Lined Periwinkle is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Black-Lined Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Lepidoptera (Butterflies & Moths)	Littorinimorpha (Littorinimorpha)
Family	Lycaenidae	Littorinidae
Genus	Agriades	Littorina
Species	Agriades aquilo	Littorina saxatilis

Evolutionary Relationship

Arctic Blue and Black-Lined Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Blue

NT — Near Threatened

Black-Lined Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Black-Lined Periwinkle
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.

Black-Lined Periwinkle

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Namibia, South Africa), Europe (5 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.

Black-Lined Periwinkle

The Black-Lined Periwinkle (Littorina saxatilis) is a species in the genus Littorina. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden