Brook Floater vs De Lesse’s Brassy Ringlet

Alasmidonta varicosa compared with Erebia nivalis

Key Differences

• Brook Floater is Vulnerable while De Lesse’s Brassy Ringlet is Least Concern.

Taxonomic Classification

Rank	Brook Floater	De Lesse’s Brassy Ringlet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Nymphalidae (Brush-footed Butterflies)
Genus	Alasmidonta	Erebia
Species	Alasmidonta varicosa	Erebia nivalis

Evolutionary Relationship

Brook Floater and De Lesse’s Brassy Ringlet share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

De Lesse’s Brassy Ringlet

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	De Lesse’s Brassy Ringlet
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.

De Lesse’s Brassy Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Austria, Italy, and Switzerland.

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.