Aspen Roller vs barred rivulet

Ancylis laetana compared with Perizoma bifaciata

Key Differences

• Aspen Roller is Least Concern while barred rivulet is Vulnerable.

Taxonomic Classification

Rank	Aspen Roller	barred rivulet
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	Perizoma
Species	Ancylis laetana	Perizoma bifaciata

Evolutionary Relationship

Aspen Roller and barred rivulet share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Aspen Roller

LC — Least Concern

barred rivulet

VU — Vulnerable

Physical Characteristics

Attribute	Aspen Roller	barred rivulet
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.

barred rivulet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

barred rivulet

The Barred rivulet (Perizoma bifaciata) is a species in the genus Perizoma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden