Brook Floater vs Flax Flea Beetle

Alasmidonta varicosa compared with Longitarsus parvulus

Key Differences

• Brook Floater is Vulnerable while Flax Flea Beetle is Extinct.

Taxonomic Classification

Rank	Brook Floater	Flax Flea Beetle
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Mollusca (mollusques)	Arthropoda (arthropodes)
Class	Bivalvia (Bivalvia)	Insecta (insecte)
Order	Unionida (Unionoida)	Coleoptera (Beetles)
Family	Unionidae	Chrysomelidae
Genus	Alasmidonta	Longitarsus
Species	Alasmidonta varicosa	Longitarsus parvulus

Evolutionary Relationship

Brook Floater and Flax Flea Beetle share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Brook Floater

VU — Vulnerable

Flax Flea Beetle

EX — Extinct

Physical Characteristics

Attribute	Brook Floater	Flax Flea Beetle
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.

Flax Flea Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Portugal, 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.