Alfken's Mini-miner vs Centric diatom

Andrena alfkenella compared with Skeletonema subsalsum

Key Differences

Alfken's Mini-miner is Near Threatened while Centric diatom is Not Evaluated.

Taxonomic Classification

Rank	Alfken's Mini-miner	Centric diatom
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Arthropoda (Arthropods)	Ochrophyta (Ochrophyta)
Class	Insecta (Insects)	Bacillariophyceae (Bacillariophyceae)
Order	Hymenoptera (Ants, Bees & Wasps)	Thalassiosirales (Thalassiosirales)
Family	Andrenidae	Skeletonemaceae
Genus	Andrena	Skeletonema
Species	Andrena alfkenella	Skeletonema subsalsum

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Centric diatom

NE — Not Evaluated

Physical Characteristics

Attribute	Alfken's Mini-miner	Centric diatom
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.

Centric diatom

Habitat

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

Range

Found across Europe (7 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.

Centric diatom

The Centric Diatom (Skeletonema subsalsum) is a species in the genus Skeletonema. Found across Europe (7 countries) and North America (United States).