red underwing vs small tortoiseshell

Catocala nupta compared with Aglais urticae

Key Differences

• red underwing is Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	red underwing	small tortoiseshell
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Arthropoda (절지동물)	Arthropoda (절지동물)
Class same	Insecta (곤충)	Insecta (곤충)
Order same	Lepidoptera (나비목)	Lepidoptera (나비목)
Family	Erebidae	Nymphalidae (Brush-footed Butterflies)
Genus	Catocala	Aglais
Species	Catocala nupta	Aglais urticae

Evolutionary Relationship

red underwing and small tortoiseshell share a common ancestor at the Order level: Lepidoptera. (나비목)

Conservation Status

red underwing

EN — Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	red underwing	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

red underwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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

작은 거북등 나비(Aglais urticae)는 IUCN 적색 목록에서 준위협(NT) 종으로 분류된다. 위협 종으로 분류되기 직전 단계로, 보전 조치 없이는 취약 종이 될 수 있는 개체군이다.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden