Brook Floater vs yarrow mealybug

Alasmidonta varicosa compared with Atrococcus achilleae

Key Differences

• Brook Floater is Vulnerable while yarrow mealybug is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	yarrow mealybug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Hemiptera (Hemiptera)
Family	Unionidae	Pseudococcidae
Genus	Alasmidonta	Atrococcus
Species	Alasmidonta varicosa	Atrococcus achilleae

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

yarrow mealybug

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	yarrow mealybug
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.

yarrow mealybug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across 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.