Aspen Roller vs False Bruce Spanworm

Ancylis laetana compared with Macaria loricaria

Key Differences

• Aspen Roller is Least Concern while False Bruce Spanworm is Near Threatened.

Taxonomic Classification

Rank	Aspen Roller	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	Tortricidae	Geometridae
Genus	Ancylis	Macaria
Species	Ancylis laetana	Macaria loricaria

Evolutionary Relationship

Aspen Roller and False Bruce Spanworm share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Aspen Roller

LC — Least Concern

False Bruce Spanworm

NT — Near Threatened

Physical Characteristics

Attribute	Aspen Roller	False Bruce Spanworm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aspen Roller

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.

Aspen Roller

The Aspen Roller (Ancylis laetana) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden