Broad-Bordered White Underwing vs Brook Floater

Anarta melanopa compared with Alasmidonta varicosa

Key Differences

• Broad-Bordered White Underwing is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Broad-Bordered White Underwing	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	Noctuidae	Unionidae
Genus	Anarta	Alasmidonta
Species	Anarta melanopa	Alasmidonta varicosa

Evolutionary Relationship

Broad-Bordered White Underwing and Brook Floater share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Broad-Bordered White Underwing

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Broad-Bordered White Underwing	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broad-Bordered White Underwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway 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.

Broad-Bordered White Underwing

The Broad-Bordered White Underwing (Anarta melanopa) is a species in the genus Anarta. 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.