Alfken's Mini-miner vs Button-Willow

Andrena alfkenella compared with Cephalanthus occidentalis

Key Differences

Alfken's Mini-miner is Near Threatened while Button-Willow is Least Concern.

Taxonomic Classification

Rank	Alfken's Mini-miner	Button-Willow
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hymenoptera (Ants, Bees & Wasps)	Gentianales (Gentianales)
Family	Andrenidae	Rubiaceae
Genus	Andrena	Cephalanthus
Species	Andrena alfkenella	Cephalanthus occidentalis

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Button-Willow

LC — Least Concern

Physical Characteristics

Attribute	Alfken's Mini-miner	Button-Willow
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.

Button-Willow

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Norway 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.

Button-Willow

The Button-Willow (Cephalanthus occidentalis) is a species in the genus Cephalanthus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.