Bilberry Roller vs Bitter Knight

Ancylis myrtillana compared with Tricholoma acerbum

Key Differences

• Bilberry Roller is Least Concern while Bitter Knight is Endangered.

Taxonomic Classification

Rank	Bilberry Roller	Bitter Knight
Kingdom	Animalia (สัตว์)	Fungi (เห็ดรา)
Phylum	Arthropoda (สัตว์ขาปล้อง)	Basidiomycota (Club Fungi)
Class	Insecta (แมลง)	Agaricomycetes (Mushrooms)
Order	Lepidoptera (ผีเสื้อ)	Agaricales (Gilled Mushrooms)
Family	Tortricidae	Tricholomataceae
Genus	Ancylis	Tricholoma
Species	Ancylis myrtillana	Tricholoma acerbum

Conservation Status

Bilberry Roller

LC — Least Concern

Bitter Knight

EN — Endangered

Physical Characteristics

Attribute	Bilberry Roller	Bitter Knight
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 Knight

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Norway, and Sweden. Currently classified as Endangered 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 Knight

The Bitter Knight (Tricholoma acerbum) is a species in the genus Tricholoma. It is currently classified as Endangered on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden