Arctic Sulfur vs Bridge Roller

Colias palaeno compared with Ancylis uncella

Taxonomic Classification

Rank	Arctic Sulfur	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	Pieridae	Tortricidae
Genus	Colias	Ancylis
Species	Colias palaeno	Ancylis uncella

Evolutionary Relationship

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

Conservation Status

Arctic Sulfur

LC — Least Concern

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Arctic Sulfur	Bridge Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Sulfur

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (24 countries).

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Arctic Sulfur

Arctic Sulfur (Colias palaeno) 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 4 countries:

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