Bilberry Roller vs Caspian Knotweed

Ancylis myrtillana compared with Polygonum caspicum

Key Differences

• Bilberry Roller is Least Concern while Caspian Knotweed is Critically Endangered.

Taxonomic Classification

Rank	Bilberry Roller	Caspian 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 caspicum

Conservation Status

Bilberry Roller

LC — Least Concern

Caspian Knotweed

CR — Critically Endangered

Physical Characteristics

Attribute	Bilberry Roller	Caspian 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.

Caspian Knotweed

Habitat

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

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.

Caspian Knotweed

The Caspian Knotweed (Polygonum caspicum) is a species in the genus Polygonum. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.