Blackthorn slender vs Bosnian Blue

Parornix torquillella compared with Agriades dardanus

Key Differences

• Blackthorn slender is Endangered while Bosnian Blue is Near Threatened.

Taxonomic Classification

Rank	Blackthorn slender	Bosnian Blue
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	Gracillariidae	Lycaenidae
Genus	Parornix	Agriades
Species	Parornix torquillella	Agriades dardanus

Evolutionary Relationship

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

Conservation Status

Blackthorn slender

EN — Endangered

Bosnian Blue

NT — Near Threatened

Physical Characteristics

Attribute	Blackthorn slender	Bosnian Blue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn slender

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 (8 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Blackthorn slender

The Blackthorn slender (Parornix torquillella) is a species in the genus Parornix. It is currently classified as Endangered on the IUCN Red List. Found across Europe (8 countries). Currently classified as 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.

Shared Countries

Both species can be found in 2 countries:

🇷🇺 Russia 🇺🇦 Ukraine