Caucasian Wingnut vs small tortoiseshell

Pterocarya fraxinifolia compared with Aglais urticae

Key Differences

• Caucasian Wingnut is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Caucasian Wingnut	small tortoiseshell
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fagales (Beeches & Oaks)	Lepidoptera (Butterflies & Moths)
Family	Juglandaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Pterocarya	Aglais
Species	Pterocarya fraxinifolia	Aglais urticae

Conservation Status

Caucasian Wingnut

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Caucasian Wingnut	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Wingnut

Habitat

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

Range

Found across Europe (9 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.

Caucasian Wingnut

The Caucasian Wingnut (Pterocarya fraxinifolia) is a species in the genus Pterocarya. 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 9 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇮🇹 Italy 🇳🇴 Norway 🇵🇱 Poland 🇪🇸 Spain 🇸🇪 Sweden 🇬🇧 United Kingdom