Bridge Roller vs Pear-tree Pigmy

Ancylis uncella compared with Stigmella pyri

Key Differences

• Bridge Roller is Least Concern while Pear-tree Pigmy is Endangered.

Taxonomic Classification

Rank	Bridge Roller	Pear-tree Pigmy
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	Tortricidae	Nepticulidae
Genus	Ancylis	Stigmella
Species	Ancylis uncella	Stigmella pyri

Evolutionary Relationship

Bridge Roller and Pear-tree Pigmy share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Bridge Roller

LC — Least Concern

Pear-tree Pigmy

EN — Endangered

Physical Characteristics

Attribute	Bridge Roller	Pear-tree Pigmy
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.

Pear-tree Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries). 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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden