Alfken's Mini-miner vs California alder

Andrena alfkenella compared with Alnus rhombifolia

Key Differences

• Alfken's Mini-miner is Near Threatened while California alder is Least Concern.

Taxonomic Classification

Rank	Alfken's Mini-miner	California alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hymenoptera (Ants, Bees & Wasps)	Fagales (Beeches & Oaks)
Family	Andrenidae	Betulaceae
Genus	Andrena	Alnus
Species	Andrena alfkenella	Alnus rhombifolia

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

California alder

LC — Least Concern

Physical Characteristics

Attribute	Alfken's Mini-miner	California alder
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.

California alder

Habitat

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

Range

Found in Canada.

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.

California alder

The California alder (Alnus rhombifolia) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.