Blackthorn Rust vs small tortoiseshell

Tranzschelia pruni-spinosae compared with Aglais urticae

Key Differences

• Blackthorn Rust is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Blackthorn Rust	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Pucciniomycetes (Pucciniomycetes)	Insecta (Insects)
Order	Pucciniales (Pucciniales)	Lepidoptera (Butterflies & Moths)
Family	Tranzscheliaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Tranzschelia	Aglais
Species	Tranzschelia pruni-spinosae	Aglais urticae

Conservation Status

Blackthorn Rust

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Blackthorn Rust	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn Rust

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries).

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.

Blackthorn Rust

The Blackthorn Rust (Tranzschelia pruni-spinosae) is a species in the genus Tranzschelia. Found across Asia (Taiwan) and Europe (5 countries).

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden