Alfken's Mini-miner vs nut fingernailclam

Andrena alfkenella compared with Sphaerium rivicola

Key Differences

• Alfken's Mini-miner is Near Threatened while nut fingernailclam is Not Evaluated.

Taxonomic Classification

Rank	Alfken's Mini-miner	nut fingernailclam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Hymenoptera (Ants, Bees & Wasps)	Sphaeriida (Sphaeriida)
Family	Andrenidae	Sphaeriidae
Genus	Andrena	Sphaerium
Species	Andrena alfkenella	Sphaerium rivicola

Evolutionary Relationship

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

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

nut fingernailclam

NE — Not Evaluated

Physical Characteristics

Attribute	Alfken's Mini-miner	nut fingernailclam
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.

nut fingernailclam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Ukraine.

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.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway