Bridge Roller vs Predacious diving beetle

Ancylis uncella compared with Hydroporus guernei

Key Differences

• Bridge Roller is Least Concern while Predacious diving beetle is Endangered.

Taxonomic Classification

Rank	Bridge Roller	Predacious diving beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Lepidoptera (Butterflies & Moths)	Coleoptera (Beetles)
Family	Tortricidae	Dytiscidae
Genus	Ancylis	Hydroporus
Species	Ancylis uncella	Hydroporus guernei

Evolutionary Relationship

Bridge Roller and Predacious diving beetle share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Bridge Roller

LC — Least Concern

Predacious diving beetle

EN — Endangered

Physical Characteristics

Attribute	Bridge Roller	Predacious diving beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.