Bog Shadow vs small tortoiseshell

Arrhenia umbratilis compared with Aglais urticae

Key Differences

• Bog Shadow is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Bog Shadow	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Agaricales (Gilled Mushrooms)	Lepidoptera (Butterflies & Moths)
Family	Hygrophoraceae	Nymphalidae (Brush-footed Butterflies)
Genus	Arrhenia	Aglais
Species	Arrhenia umbratilis	Aglais urticae

Conservation Status

Bog Shadow

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Bog Shadow	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bog Shadow

Habitat

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

Range

Distributed across Norway and Sweden.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bog Shadow

The Bog Shadow (Arrhenia umbratilis) is a species in the genus Arrhenia. Distributed across Norway and Sweden.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden