Black-Lined Periwinkle vs Buff-tailed Mining Bee

Littorina saxatilis compared with Andrena humilis

Key Differences

• Black-Lined Periwinkle is Least Concern while Buff-tailed Mining Bee is Extinct.

Taxonomic Classification

Rank	Black-Lined Periwinkle	Buff-tailed Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Littorinimorpha (Littorinimorpha)	Hymenoptera (Ants, Bees & Wasps)
Family	Littorinidae	Andrenidae
Genus	Littorina	Andrena
Species	Littorina saxatilis	Andrena humilis

Evolutionary Relationship

Black-Lined Periwinkle and Buff-tailed Mining Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-Lined Periwinkle

LC — Least Concern

Buff-tailed Mining Bee

EX — Extinct

Physical Characteristics

Attribute	Black-Lined Periwinkle	Buff-tailed Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Lined Periwinkle

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Namibia, South Africa), Europe (5 countries), and North America (United States).

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Black-Lined Periwinkle

The Black-Lined Periwinkle (Littorina saxatilis) is a species in the genus Littorina. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Buff-tailed Mining Bee

The Buff-Tailed Mining Bee (Andrena humilis) is a species in the genus Andrena. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden