Bilberry Roller vs Bitter Scalewort

Ancylis myrtillana compared with Porella arboris-vitae

Key Differences

• Bilberry Roller is Least Concern while Bitter Scalewort is Vulnerable.

Taxonomic Classification

Rank	Bilberry Roller	Bitter Scalewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Jungermanniopsida (Jungermanniopsida)
Order	Lepidoptera (Butterflies & Moths)	Porellales (Porellales)
Family	Tortricidae	Porellaceae
Genus	Ancylis	Porella
Species	Ancylis myrtillana	Porella arboris-vitae

Conservation Status

Bilberry Roller

LC — Least Concern

Bitter Scalewort

VU — Vulnerable

Physical Characteristics

Attribute	Bilberry Roller	Bitter Scalewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bilberry Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Bitter Scalewort

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Bilberry Roller

The Bilberry Roller (Ancylis myrtillana) 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.

Bitter Scalewort

The Bitter Scalewort (Porella arboris-vitae) is a species in the genus Porella. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

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