Bridge Roller vs Flat-Leaved Bladderwort

Ancylis uncella compared with Utricularia intermedia

Key Differences

• Bridge Roller is Least Concern while Flat-Leaved Bladderwort is Critically Endangered.

Taxonomic Classification

Rank	Bridge Roller	Flat-Leaved Bladderwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Lepidoptera (Butterflies & Moths)	Lamiales (Lamiales)
Family	Tortricidae	Lentibulariaceae
Genus	Ancylis	Utricularia
Species	Ancylis uncella	Utricularia intermedia

Conservation Status

Bridge Roller

LC — Least Concern

Flat-Leaved Bladderwort

CR — Critically Endangered

Physical Characteristics

Attribute	Bridge Roller	Flat-Leaved Bladderwort
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.

Flat-Leaved Bladderwort

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (Canada, United States). Currently classified as Critically 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 4 countries:

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