Brook Floater vs Sharp-collared Furrow Bee

Alasmidonta varicosa compared with Lasioglossum malachurum

Key Differences

• Brook Floater is Vulnerable while Sharp-collared Furrow Bee is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Sharp-collared Furrow 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	Halictidae
Genus	Alasmidonta	Lasioglossum
Species	Alasmidonta varicosa	Lasioglossum malachurum

Evolutionary Relationship

Brook Floater and Sharp-collared Furrow Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Sharp-collared Furrow Bee

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Sharp-collared Furrow 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.

Sharp-collared Furrow Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, and Portugal.

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.