Alder leaf beetle vs Flea beetle

Agelastica alni compared with Psylliodes cucullatus

Key Differences

• Alder leaf beetle is Least Concern while Flea beetle is Near Threatened.

Taxonomic Classification

Rank	Alder leaf beetle	Flea beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Coleoptera (Beetles)	Coleoptera (Beetles)
Family same	Chrysomelidae	Chrysomelidae
Genus	Agelastica	Psylliodes
Species	Agelastica alni	Psylliodes cucullatus

Evolutionary Relationship

Alder leaf beetle and Flea beetle share a common ancestor at the Family level: Chrysomelidae.

Conservation Status

Alder leaf beetle

LC — Least Concern

Flea beetle

NT — Near Threatened

Physical Characteristics

Attribute	Alder leaf beetle	Flea beetle
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.

Flea beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 5 countries:

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