Arctic Blue vs Narrowleaf knotweed

Agriades aquilo compared with Polygonum bellardii

Key Differences

• Arctic Blue is Near Threatened while Narrowleaf knotweed is Not Evaluated.

Taxonomic Classification

Rank	Arctic Blue	Narrowleaf knotweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Lepidoptera (Butterflies & Moths)	Caryophyllales (Caryophyllales)
Family	Lycaenidae	Polygonaceae
Genus	Agriades	Polygonum
Species	Agriades aquilo	Polygonum bellardii

Conservation Status

Arctic Blue

NT — Near Threatened

Narrowleaf knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Arctic Blue	Narrowleaf knotweed
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.

Narrowleaf knotweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Europe (12 countries), North America (United States), and Oceania and the Pacific (Australia).

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.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden