Buff-tailed Mining Bee vs Upper Crust

Andrena humilis compared with Amaurodon cyaneus

Key Differences

• Buff-tailed Mining Bee is Extinct while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Buff-tailed Mining Bee	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hymenoptera (Ants, Bees & Wasps)	Thelephorales (Thelephorales)
Family	Andrenidae	Thelephoraceae
Genus	Andrena	Amaurodon
Species	Andrena humilis	Amaurodon cyaneus

Conservation Status

Buff-tailed Mining Bee

EX — Extinct

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Buff-tailed Mining Bee	Upper Crust
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.

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden