Alfken's Mini-miner vs Violet Crystalwort

Andrena alfkenella compared with Riccia huebeneriana

Key Differences

Alfken's Mini-miner is Near Threatened while Violet Crystalwort is Endangered.

Taxonomic Classification

Rank	Alfken's Mini-miner	Violet Crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Marchantiopsida (Marchantiopsida)
Order	Hymenoptera (Ants, Bees & Wasps)	Marchantiales (Marchantiales)
Family	Andrenidae	Ricciaceae
Genus	Andrena	Riccia
Species	Andrena alfkenella	Riccia huebeneriana

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Violet Crystalwort

EN — Endangered

Physical Characteristics

Attribute	Alfken's Mini-miner	Violet Crystalwort
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.

Violet Crystalwort

Habitat

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

Range

Found across Europe (6 countries) and North America (United States). 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.