Bladder-senna vs small tortoiseshell

Colutea arborescens compared with Aglais urticae

Key Differences

• Bladder-senna is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Bladder-senna	small tortoiseshell
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fabales (Legumes & Allies)	Lepidoptera (Butterflies & Moths)
Family	Fabaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Colutea	Aglais
Species	Colutea arborescens	Aglais urticae

Conservation Status

Bladder-senna

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Bladder-senna	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder-senna

Habitat

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

Range

Widely distributed across Asia (Armenia), Europe (14 countries), and North America (Canada, 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.

Bladder-senna

The Bladder-senna (Colutea arborescens) is a species in the genus Colutea. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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 14 countries:

🇧🇪 Belgium 🇨🇿 Czech Republic 🇩🇰 Denmark 🇫🇷 France 🇩🇪 Germany 🇮🇪 Ireland 🇱🇮 Liechtenstein 🇱🇺 Luxembourg 🇳🇱 Netherlands 🇳🇴 Norway 🇷🇴 Romania 🇸🇪 Sweden 🇺🇦 Ukraine 🇬🇧 United Kingdom