Alder leaf beetle vs Bladder Fern

Agelastica alni compared with Cystopteris fragilis

Key Differences

• Alder leaf beetle is Least Concern while Bladder Fern is Not Evaluated.

Taxonomic Classification

Rank	Alder leaf beetle	Bladder Fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Tracheophyta
Class	Insecta (Insects)	Polypodiopsida (Polypodiopsida)
Order	Coleoptera (Beetles)	Polypodiales (Polypodiales)
Family	Chrysomelidae	Cystopteridaceae
Genus	Agelastica	Cystopteris
Species	Agelastica alni	Cystopteris fragilis

Conservation Status

Alder leaf beetle

LC — Least Concern

Bladder Fern

NE — Not Evaluated

Physical Characteristics

Attribute	Alder leaf beetle	Bladder Fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder leaf beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Bladder Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

Alder leaf beetle

The Alder leaf beetle (Agelastica alni) is a species in the genus Agelastica. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Bladder Fern

The Bladder Fern (Cystopteris fragilis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States