Nut Disco vs small tortoiseshell

Hymenoscyphus fructigenus compared with Aglais urticae

Key Differences

• Nut Disco is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Nut Disco	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Leotiomycetes (Leotiomycetes)	Insecta (Insects)
Order	Helotiales (Helotiales)	Lepidoptera (Butterflies & Moths)
Family	Helotiaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Hymenoscyphus	Aglais
Species	Hymenoscyphus fructigenus	Aglais urticae

Conservation Status

Nut Disco

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Nut Disco	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nut Disco

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, Sweden, and United States.

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.

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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden