Buff-tailed Mining Bee vs California alder

Andrena humilis compared with Alnus rhombifolia

Key Differences

• Buff-tailed Mining Bee is Extinct while California alder is Least Concern.

Taxonomic Classification

Rank	Buff-tailed Mining Bee	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 humilis	Alnus rhombifolia

Conservation Status

Buff-tailed Mining Bee

EX — Extinct

California alder

LC — Least Concern

Physical Characteristics

Attribute	Buff-tailed Mining Bee	California alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

California alder

Habitat

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

Range

Found in Canada.

Buff-tailed Mining Bee

The Buff-Tailed Mining Bee (Andrena humilis) is a species in the genus Andrena. It is currently classified as Extinct 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.