Diffuse knapweed vs small tortoiseshell

Centaurea diffusa compared with Aglais urticae

Key Differences

• Diffuse knapweed is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Diffuse knapweed	small tortoiseshell
Kingdom	Plantae (растения)	Animalia (животные)
Phylum	Magnoliophyta (магнолиофиты)	Arthropoda (членистоногие)
Class	Magnoliopsida (Dicots)	Insecta (насекомые)
Order	Asterales (астроцветные)	Lepidoptera (чешуекрылые)
Family	Asteraceae (Daisy Family)	Nymphalidae (Brush-footed Butterflies)
Genus	Centaurea	Aglais
Species	Centaurea diffusa	Aglais urticae

Conservation Status

Diffuse knapweed

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Diffuse knapweed	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Diffuse knapweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (6 countries), Europe (26 countries), North America (Canada, United States), and South America (Argentina).

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 26 countries:

🇦🇹 Austria 🇧🇾 Belarus 🇧🇪 Belgium 🇧🇬 Bulgaria 🇨🇿 Czech Republic 🇩🇰 Denmark 🇪🇪 Estonia 🇫🇷 France 🇩🇪 Germany 🇭🇺 Hungary 🇮🇹 Italy 🇱🇻 Latvia 🇱🇹 Lithuania 🇲🇩 Moldova 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇷🇺 Russia 🇷🇸 Serbia 🇸🇰 Slovakia 🇸🇮 Slovenia 🇪🇸 Spain 🇸🇪 Sweden 🇨🇭 Switzerland 🇺🇦 Ukraine 🇬🇧 United Kingdom