Bosnian Blue vs large tortoiseshell

Agriades dardanus compared with Nymphalis polychloros

Key Differences

• Bosnian Blue is Near Threatened while large tortoiseshell is Critically Endangered.

Taxonomic Classification

Rank	Bosnian Blue	large tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family	Lycaenidae	Nymphalidae (Brush-footed Butterflies)
Genus	Agriades	Nymphalis
Species	Agriades dardanus	Nymphalis polychloros

Evolutionary Relationship

Bosnian Blue and large tortoiseshell share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Bosnian Blue

NT — Near Threatened

large tortoiseshell

CR — Critically Endangered

Physical Characteristics

Attribute	Bosnian Blue	large tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bosnian Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

large tortoiseshell

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bosnian Blue

The Bosnian Blue (Agriades dardanus) is a species in the genus Agriades. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

large tortoiseshell

large tortoiseshell (Nymphalis polychloros) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 6 countries:

🇧🇦 Bosnia and Herzegovina 🇧🇬 Bulgaria 🇬🇷 Greece 🇲🇰 North Macedonia 🇷🇺 Russia 🇺🇦 Ukraine