Arctic Blue vs Scaly Stalkball

Agriades aquilo compared with Tulostoma melanocyclum

Key Differences

• Arctic Blue is Near Threatened while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Arctic Blue	Scaly Stalkball
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Lepidoptera (Butterflies & Moths)	Agaricales (Gilled Mushrooms)
Family	Lycaenidae	Agaricaceae (Agarics)
Genus	Agriades	Tulostoma
Species	Agriades aquilo	Tulostoma melanocyclum

Conservation Status

Arctic Blue

NT — Near Threatened

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic Blue	Scaly Stalkball
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.

Scaly Stalkball

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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