Brindled Flat-body vs False Bruce Spanworm

Agonopterix arenella compared with Macaria loricaria

Key Differences

• Brindled Flat-body is Least Concern while False Bruce Spanworm is Near Threatened.

Taxonomic Classification

Rank	Brindled Flat-body	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	Depressariidae	Geometridae
Genus	Agonopterix	Macaria
Species	Agonopterix arenella	Macaria loricaria

Evolutionary Relationship

Brindled Flat-body and False Bruce Spanworm share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Brindled Flat-body

LC — Least Concern

False Bruce Spanworm

NT — Near Threatened

Physical Characteristics

Attribute	Brindled Flat-body	False Bruce Spanworm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brindled Flat-body

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, 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.

Brindled Flat-body

The Brindled Flat-body (Agonopterix arenella) is a species in the genus Agonopterix. 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden