Brook Floater vs Cactus aphid

Alasmidonta varicosa compared with Aphis sedi

Key Differences

• Brook Floater is Vulnerable while Cactus aphid is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Cactus aphid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Hemiptera (Hemiptera)
Family	Unionidae	Aphididae
Genus	Alasmidonta	Aphis
Species	Alasmidonta varicosa	Aphis sedi

Evolutionary Relationship

Brook Floater and Cactus aphid share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Cactus aphid

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Cactus aphid
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.

Cactus aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

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.

Cactus aphid

The Cactus aphid (Aphis sedi) is a species in the genus Aphis. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States