Alder leaf beetle vs Rusty Crayfish

Agelastica alni compared with Faxonius rusticus

Key Differences

• Alder leaf beetle is Least Concern while Rusty Crayfish is Not Evaluated.

Taxonomic Classification

Rank	Alder leaf beetle	Rusty Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Insecta (Insects)	Malacostraca (Crustaceans)
Order	Coleoptera (Beetles)	Decapoda (Decapoda)
Family	Chrysomelidae	Cambaridae
Genus	Agelastica	Faxonius
Species	Agelastica alni	Faxonius rusticus

Evolutionary Relationship

Alder leaf beetle and Rusty Crayfish share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Alder leaf beetle

LC — Least Concern

Rusty Crayfish

NE — Not Evaluated

Physical Characteristics

Attribute	Alder leaf beetle	Rusty Crayfish
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.

Rusty Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

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

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.

Shared Countries

Both species can be found in 4 countries:

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