Black-Based Cluster Fly vs Bridge Roller

Pollenia labialis compared with Ancylis uncella

Taxonomic Classification

Rank	Black-Based Cluster Fly	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Diptera (Diptera)	Lepidoptera (Butterflies & Moths)
Family	Polleniidae	Tortricidae
Genus	Pollenia	Ancylis
Species	Pollenia labialis	Ancylis uncella

Evolutionary Relationship

Black-Based Cluster Fly and Bridge Roller share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Black-Based Cluster Fly

LC — Least Concern

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Black-Based Cluster Fly	Bridge Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Based Cluster Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Black-Based Cluster Fly

The Black-Based Cluster Fly (Pollenia labialis) is a species in the genus Pollenia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden