Blackthorn slender vs Brown birch slender

Parornix torquillella compared with Parornix betulae

Key Differences

• Blackthorn slender is Endangered while Brown birch slender is Least Concern.

Taxonomic Classification

Rank	Blackthorn slender	Brown birch slender
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Arthropoda (Gliederfüßer)	Arthropoda (Gliederfüßer)
Class same	Insecta (Insekten)	Insecta (Insekten)
Order same	Lepidoptera (Schmetterlinge)	Lepidoptera (Schmetterlinge)
Family same	Gracillariidae	Gracillariidae
Genus same	Parornix	Parornix
Species	Parornix torquillella	Parornix betulae

Evolutionary Relationship

Blackthorn slender and Brown birch slender share a common ancestor at the Genus level: Parornix.

Conservation Status

Blackthorn slender

EN — Endangered

Brown birch slender

LC — Least Concern

Physical Characteristics

Attribute	Blackthorn slender	Brown birch slender
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.

Brown birch slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Japan), Europe (5 countries), and North America (Canada).

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.

Brown birch slender

The Brown Birch Slender (Parornix betulae) is a species in the genus Parornix. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden