Common Bluetail vs small tortoiseshell

Ischnura elegans compared with Aglais urticae

Key Differences

• Common Bluetail is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Common Bluetail	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Odonata (Odonata)	Lepidoptera (Butterflies & Moths)
Family	Coenagrionidae	Nymphalidae (Brush-footed Butterflies)
Genus	Ischnura	Aglais
Species	Ischnura elegans	Aglais urticae

Evolutionary Relationship

Common Bluetail and small tortoiseshell share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Common Bluetail

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Common Bluetail	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Bluetail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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.

Common Bluetail

Common Bluetail (Ischnura elegans) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden