Black Knot vs small tortoiseshell

Apiosporina morbosa compared with Aglais urticae

Key Differences

• Black Knot is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Black Knot	small tortoiseshell
Kingdom	Fungi (грибы)	Animalia (животные)
Phylum	Ascomycota (аскомицеты)	Arthropoda (членистоногие)
Class	Dothideomycetes (дотидеомицеты)	Insecta (насекомые)
Order	Venturiales (Venturiales)	Lepidoptera (чешуекрылые)
Family	Venturiaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Apiosporina	Aglais
Species	Apiosporina morbosa	Aglais urticae

Conservation Status

Black Knot

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Black Knot	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Knot

Habitat

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

Range

Distributed across Denmark, Norway, 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.

Black Knot

The Black Knot (Apiosporina morbosa) is a species in the genus Apiosporina. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Its geographic range spans Distributed across Denmark, Norway, and United States.

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:

🇩🇰 Denmark 🇳🇴 Norway