Bog Fritillary vs Bridge Roller

Boloria eunomia compared with Ancylis uncella

Taxonomic Classification

Rank	Bog Fritillary	Bridge Roller
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	Nymphalidae (Brush-footed Butterflies)	Tortricidae
Genus	Boloria	Ancylis
Species	Boloria eunomia	Ancylis uncella

Evolutionary Relationship

Bog Fritillary and Bridge Roller share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Bog Fritillary

LC — Least Concern

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Bog Fritillary	Bridge Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bog Fritillary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (22 countries) and North America (Canada).

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Bog Fritillary

Bog Fritillary (Boloria eunomia) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Bridge Roller

The Bridge Roller (Ancylis uncella) 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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden