Brook Floater vs Lygaeid bug

Alasmidonta varicosa compared with Nysius thymi

Key Differences

• Brook Floater is Vulnerable while Lygaeid bug is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Lygaeid bug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Hemiptera (Hemiptera)
Family	Unionidae	Lygaeidae
Genus	Alasmidonta	Nysius
Species	Alasmidonta varicosa	Nysius thymi

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Lygaeid bug

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Lygaeid bug
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.

Lygaeid bug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada, Denmark, Norway, 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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States