Broad-Bordered White Underwing vs False Bruce Spanworm

Anarta melanopa compared with Macaria loricaria

Key Differences

• Broad-Bordered White Underwing is Least Concern while False Bruce Spanworm is Near Threatened.

Taxonomic Classification

Rank	Broad-Bordered White Underwing	False Bruce Spanworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family	Noctuidae	Geometridae
Genus	Anarta	Macaria
Species	Anarta melanopa	Macaria loricaria

Evolutionary Relationship

Broad-Bordered White Underwing and False Bruce Spanworm share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Broad-Bordered White Underwing

LC — Least Concern

False Bruce Spanworm

NT — Near Threatened

Physical Characteristics

Attribute	Broad-Bordered White Underwing	False Bruce Spanworm
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.

False Bruce Spanworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden