Alfken's Mini-miner vs Pixie Foam

Andrena alfkenella compared with Stereocaulon pileatum

Key Differences

Alfken's Mini-miner is Near Threatened while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Alfken's Mini-miner	Pixie Foam
Kingdom	Animalia (动物界)	Fungi (真菌界)
Phylum	Arthropoda (节肢动物门)	Ascomycota (子囊菌门)
Class	Insecta (昆蟲綱)	Lecanoromycetes (茶漬綱)
Order	Hymenoptera (膜翅目)	Lecanorales (茶漬目)
Family	Andrenidae	Stereocaulaceae
Genus	Andrena	Stereocaulon
Species	Andrena alfkenella	Stereocaulon pileatum

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Alfken's Mini-miner	Pixie Foam
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.

Pixie Foam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically 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.