Arctic Blue vs Crowded Brittlegill

Agriades aquilo compared with Russula densifolia

Key Differences

• Arctic Blue is Near Threatened while Crowded Brittlegill is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Crowded Brittlegill
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Lepidoptera (Butterflies & Moths)	Russulales (Russulales)
Family	Lycaenidae	Russulaceae
Genus	Agriades	Russula
Species	Agriades aquilo	Russula densifolia

Conservation Status

Arctic Blue

NT — Near Threatened

Crowded Brittlegill

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Crowded Brittlegill
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.

Crowded Brittlegill

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden