Alfken's Mini-miner vs Variable Oysterling

Andrena alfkenella compared with Crepidotus variabilis

Key Differences

Alfken's Mini-miner is Near Threatened while Variable Oysterling is Least Concern.

Taxonomic Classification

Rank	Alfken's Mini-miner	Variable Oysterling
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hymenoptera (Ants, Bees & Wasps)	Agaricales (Gilled Mushrooms)
Family	Andrenidae	Crepidotaceae
Genus	Andrena	Crepidotus
Species	Andrena alfkenella	Crepidotus variabilis

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Variable Oysterling

LC — Least Concern

Physical Characteristics

Attribute	Alfken's Mini-miner	Variable Oysterling
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.

Variable Oysterling

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

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.