Blackthorn Mining Bee vs Common Periwinkle

Andrena varians compared with Littorina littorea

Taxonomic Classification

Rank	Blackthorn Mining Bee	Common Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Hymenoptera (Ants, Bees & Wasps)	Littorinimorpha (Littorinimorpha)
Family	Andrenidae	Littorinidae
Genus	Andrena	Littorina
Species	Andrena varians	Littorina littorea

Evolutionary Relationship

Blackthorn Mining Bee and Common Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blackthorn Mining Bee

LC — Least Concern

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Blackthorn Mining Bee	Common Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

Common Periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Blackthorn Mining Bee

The Blackthorn Mining Bee (Andrena varians) is a species in the genus Andrena. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Luxembourg, Norway, and Sweden.

Common Periwinkle

Common Periwinkle (Littorina littorea) 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden