Alfken's Mini-miner vs Upper Crust

Andrena alfkenella compared with Amaurodon cyaneus

Key Differences

Alfken's Mini-miner is Near Threatened while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Alfken's Mini-miner	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hymenoptera (Ants, Bees & Wasps)	Thelephorales (Thelephorales)
Family	Andrenidae	Thelephoraceae
Genus	Andrena	Amaurodon
Species	Andrena alfkenella	Amaurodon cyaneus

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Alfken's Mini-miner	Upper Crust
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.

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.