Alfken's Mini-miner vs

Andrena alfkenella compared with Chroococcus macrococcus

Key Differences

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

Taxonomic Classification

Rank	Alfken's Mini-miner
Kingdom	Animalia (动物界)	Bacteria (Bacteria)
Phylum	Arthropoda (节肢动物门)	Cyanobacteria (藍菌門)
Class	Insecta (昆蟲綱)	Cyanobacteriia
Order	Hymenoptera (膜翅目)	Cyanobacteriales (蓝菌目)
Family	Andrenidae	Microcystaceae
Genus	Andrena	Chroococcus
Species	Andrena alfkenella	Chroococcus macrococcus

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

NE — Not Evaluated

Physical Characteristics

Attribute	Alfken's Mini-miner
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.

Habitat

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

Range

Distributed across 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.

Chroococcus macrococcus is a cyanobacterium in the family Chroococcaceae, belonging to a group of unicellular to loosely colonial coccoid cyanobacteria distributed in freshwater and moist terrestrial environments. The specific epithet macrococcus refers to the large size of the cells, distinguishing this species from smaller-celled members of the genus. Chroococcus cells are characterized by their spherical shape, division by binary fission into pairs or tetrad arrangements, and enclosure within distinct gelatinous sheaths. The outer sheath layers are often visibly stratified in older colonies. Cyanobacteria of the Chroococcaceae occupy a broad range of aquatic and semi-aquatic habitats worldwide, from standing and flowing freshwaters to damp soil, rocks, tree bark, and the surfaces of other organisms. They are among the most ecologically resilient of photosynthetic microorganisms, tolerating desiccation, temperature extremes, and nutrient-poor conditions. Chroococcus macrococcus has been recorded from European freshwater localities. Its ecological significance lies primarily in contributing to primary production in aquatic communities. Like most microorganisms, it has not been formally assessed under IUCN criteria.