Alfken's Mini-miner vs Chalk Screw-moss

Andrena alfkenella compared with Tortula vahliana

Key Differences

Alfken's Mini-miner is Near Threatened while Chalk Screw-moss is Vulnerable.

Taxonomic Classification

Rank	Alfken's Mini-miner	Chalk Screw-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Bryophyta
Class	Insecta (Insects)	Bryopsida (Bryopsida)
Order	Hymenoptera (Ants, Bees & Wasps)	Pottiales (Pottiales)
Family	Andrenidae	Pottiaceae
Genus	Andrena	Tortula
Species	Andrena alfkenella	Tortula vahliana

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Chalk Screw-moss

VU — Vulnerable

Physical Characteristics

Attribute	Alfken's Mini-miner	Chalk Screw-moss
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.

Chalk Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Portugal. Currently classified as Vulnerable 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.

Chalk Screw-moss

The Chalk Screw-moss (Tortula vahliana) is a species in the genus Tortula. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.