Brook Floater vs Purbeck Nomad Bee

Alasmidonta varicosa compared with Nomada errans

Key Differences

• Brook Floater is Vulnerable while Purbeck Nomad Bee is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Purbeck Nomad Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Hymenoptera (Ants, Bees & Wasps)
Family	Unionidae	Apidae (Bees)
Genus	Alasmidonta	Nomada
Species	Alasmidonta varicosa	Nomada errans

Evolutionary Relationship

Brook Floater and Purbeck Nomad Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Purbeck Nomad Bee

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Purbeck Nomad 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.

Purbeck Nomad Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.