Brook Floater vs Cabbage-stem flea beetle

Alasmidonta varicosa compared with Psylliodes chrysocephalus

Key Differences

• Brook Floater is Vulnerable while Cabbage-stem flea beetle is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Cabbage-stem flea beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Coleoptera (Beetles)
Family	Unionidae	Chrysomelidae
Genus	Alasmidonta	Psylliodes
Species	Alasmidonta varicosa	Psylliodes chrysocephalus

Evolutionary Relationship

Brook Floater and Cabbage-stem flea beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Cabbage-stem flea beetle

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Cabbage-stem 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.

Cabbage-stem flea beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (8 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Cabbage-stem flea beetle

The Cabbage-stem flea beetle (Psylliodes chrysocephalus) is a species in the genus Psylliodes. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States