Brook Floater vs Mountain Mason Bee

Alasmidonta varicosa compared with Osmia inermis

Key Differences

• Brook Floater is Vulnerable while Mountain Mason Bee is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Mountain Mason 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	Megachilidae
Genus	Alasmidonta	Osmia
Species	Alasmidonta varicosa	Osmia inermis

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Mountain Mason Bee

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Mountain Mason 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.

Mountain Mason Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across 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.