Brewer's Spruce vs Buff-tailed Mining Bee

Picea breweriana compared with Andrena humilis

Key Differences

Brewer's Spruce is Vulnerable while Buff-tailed Mining Bee is Extinct.

Taxonomic Classification

Rank	Brewer's Spruce	Buff-tailed Mining Bee
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Coniferophyta (Conifers)	Arthropoda (Arthropods)
Class	Pinopsida (Conifers)	Insecta (Insects)
Order	Pinales (Pines & Allies)	Hymenoptera (Ants, Bees & Wasps)
Family	Pinaceae (Pine Family)	Andrenidae
Genus	Picea	Andrena
Species	Picea breweriana	Andrena humilis

Conservation Status

Brewer's Spruce

VU — Vulnerable

Buff-tailed Mining Bee

EX — Extinct

Physical Characteristics

Attribute	Brewer's Spruce	Buff-tailed Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brewer's Spruce

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Brewer's Spruce

The Brewer's Spruce (Picea breweriana) is a species in the genus Picea. It is currently classified as Vulnerable on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are

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.