Arctic Blue vs Brown Knapweed

Agriades aquilo compared with Centaurea jacea

Key Differences

• Arctic Blue is Near Threatened while Brown Knapweed is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Brown Knapweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Lepidoptera (Butterflies & Moths)	Asterales (Daisies & Sunflowers)
Family	Lycaenidae	Asteraceae (Daisy Family)
Genus	Agriades	Centaurea
Species	Agriades aquilo	Centaurea jacea

Conservation Status

Arctic Blue

NT — Near Threatened

Brown Knapweed

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Brown Knapweed
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.

Brown Knapweed

Habitat

Inhabits deserts and xeric shrublands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Japan, Tajikistan), Europe (9 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Argentina, Chile).

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.

Brown Knapweed

The Brown Knapweed (Centaurea jacea) is a species in the genus Centaurea. It is currently classified as Least Concern on the IUCN Red List. Inhabits deserts and xeric shrublands within the Palearctic biogeographic realm.

Shared Countries

Both species can be found in 4 countries:

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