Erlenblattkäfer vs Ruprechtsfarn

Agelastica alni compared with Gymnocarpium robertianum

Key Differences

• Erlenblattkäfer is Least Concern while Ruprechtsfarn is Critically Endangered.

Taxonomic Classification

Rank	Erlenblattkäfer	Ruprechtsfarn
Kingdom	Animalia (Tier)	Plantae (Pflanzen)
Phylum	Arthropoda (Gliederfüßer)	Tracheophyta
Class	Insecta (Insekten)	Polypodiopsida (Echte Farne)
Order	Coleoptera (Käfer)	Polypodiales (Tüpfelfarnartige)
Family	Chrysomelidae	Cystopteridaceae
Genus	Agelastica	Gymnocarpium
Species	Agelastica alni	Gymnocarpium robertianum

Conservation Status

Erlenblattkäfer

LC — Least Concern

Ruprechtsfarn

CR — Critically Endangered

Physical Characteristics

Attribute	Erlenblattkäfer	Ruprechtsfarn
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Erlenblattkäfer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Ruprechtsfarn

Habitat

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

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Erlenblattkäfer

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden