Arctic Ringlet vs Brook Floater

Erebia disa compared with Alasmidonta varicosa

Key Differences

• Arctic Ringlet is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Arctic Ringlet

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Arctic Ringlet	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Finland, Norway, Russia, and Sweden.

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.

Arctic Ringlet

The Arctic Ringlet (Erebia disa) is a species in the genus Erebia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.