Brook Floater vs Large Bear Hoverfly

Alasmidonta varicosa compared with Criorhina ranunculi

Taxonomic Classification

Rank	Brook Floater	Large Bear Hoverfly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Diptera (Diptera)
Family	Unionidae	Syrphidae
Genus	Alasmidonta	Criorhina
Species	Alasmidonta varicosa	Criorhina ranunculi

Evolutionary Relationship

Brook Floater and Large Bear Hoverfly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Large Bear Hoverfly

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Large Bear Hoverfly
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.

Large Bear Hoverfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.