Bilberry Roller vs Narrowleaf knotweed

Ancylis myrtillana compared with Polygonum bellardii

Key Differences

• Bilberry Roller is Least Concern while Narrowleaf knotweed is Not Evaluated.

Taxonomic Classification

Rank	Bilberry Roller	Narrowleaf knotweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Lepidoptera (Butterflies & Moths)	Caryophyllales (Caryophyllales)
Family	Tortricidae	Polygonaceae
Genus	Ancylis	Polygonum
Species	Ancylis myrtillana	Polygonum bellardii

Conservation Status

Bilberry Roller

LC — Least Concern

Narrowleaf knotweed

NE — Not Evaluated

Physical Characteristics

Attribute	Bilberry Roller	Narrowleaf knotweed
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.

Narrowleaf knotweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Europe (12 countries), North America (United States), and Oceania and the Pacific (Australia).

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.

Shared Countries

Both species can be found in 4 countries:

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