Alfken's Mini-miner vs Arctic barrel-bubble

Andrena alfkenella compared with Retusa obtusa

Key Differences

• Alfken's Mini-miner is Near Threatened while Arctic barrel-bubble is Least Concern.

Taxonomic Classification

Rank	Alfken's Mini-miner	Arctic barrel-bubble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Hymenoptera (Ants, Bees & Wasps)	Cephalaspidea (Cephalaspidea)
Family	Andrenidae	Retusidae
Genus	Andrena	Retusa
Species	Andrena alfkenella	Retusa obtusa

Evolutionary Relationship

Alfken's Mini-miner and Arctic barrel-bubble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Arctic barrel-bubble

LC — Least Concern

Physical Characteristics

Attribute	Alfken's Mini-miner	Arctic barrel-bubble
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alfken's Mini-miner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Arctic barrel-bubble

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Alfken's Mini-miner

The Alfken's Mini-miner (Andrena alfkenella) is a species in the genus Andrena. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Arctic barrel-bubble

The Arctic barrel-bubble (Retusa obtusa) is a species in the genus Retusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden