Brook Floater vs Chalk Yellow-face Bee

Alasmidonta varicosa compared with Hylaeus dilatatus

Key Differences

• Brook Floater is Vulnerable while Chalk Yellow-face Bee is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Chalk Yellow-face 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	Colletidae
Genus	Alasmidonta	Hylaeus
Species	Alasmidonta varicosa	Hylaeus dilatatus

Evolutionary Relationship

Brook Floater and Chalk Yellow-face Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Chalk Yellow-face Bee

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Chalk Yellow-face 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.

Chalk Yellow-face Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, 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.

Chalk Yellow-face Bee

The Chalk Yellow-face Bee (Hylaeus dilatatus) is a species in the genus Hylaeus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.