Alfken's Mini-miner vs Spiral Tarcrust

Andrena alfkenella compared with Eutypa spinosa

Key Differences

Alfken's Mini-miner is Near Threatened while Spiral Tarcrust is Least Concern.

Taxonomic Classification

Rank	Alfken's Mini-miner	Spiral Tarcrust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Sordariomycetes (Sordariomycetes)
Order	Hymenoptera (Ants, Bees & Wasps)	Xylariales (Xylariales)
Family	Andrenidae	Diatrypaceae
Genus	Andrena	Eutypa
Species	Andrena alfkenella	Eutypa spinosa

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Spiral Tarcrust

LC — Least Concern

Physical Characteristics

Attribute	Alfken's Mini-miner	Spiral Tarcrust
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.

Spiral Tarcrust

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and 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.