Brook Floater vs Buff-tailed Mining Bee

Alasmidonta varicosa compared with Andrena humilis

Key Differences

• Brook Floater is Vulnerable while Buff-tailed Mining Bee is Extinct.

Taxonomic Classification

Rank	Brook Floater	Buff-tailed Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Moluscos)	Arthropoda (artrópode)
Class	Bivalvia (Bivalvia)	Insecta (inseto)
Order	Unionida (Unionoida)	Hymenoptera (Ants, Bees & Wasps)
Family	Unionidae	Andrenidae
Genus	Alasmidonta	Andrena
Species	Alasmidonta varicosa	Andrena humilis

Evolutionary Relationship

Brook Floater and Buff-tailed Mining Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Buff-tailed Mining Bee

EX — Extinct

Physical Characteristics

Attribute	Brook Floater	Buff-tailed Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States. 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.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

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.