Alfken's Mini-miner vs Medusa Brittlestem

Andrena alfkenella compared with Psathyrella caput-medusae

Key Differences

Alfken's Mini-miner is Near Threatened while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Alfken's Mini-miner	Medusa Brittlestem
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	Psathyrellaceae
Genus	Andrena	Psathyrella
Species	Andrena alfkenella	Psathyrella caput-medusae

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Alfken's Mini-miner	Medusa Brittlestem
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.

Medusa Brittlestem

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered 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.