Cabbage-stem flea beetle vs California alder

Psylliodes chrysocephalus compared with Alnus rhombifolia

Key Differences

Cabbage-stem flea beetle is Near Threatened while California alder is Least Concern.

Taxonomic Classification

Rank	Cabbage-stem flea beetle	California alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Coleoptera (Beetles)	Fagales (Beeches & Oaks)
Family	Chrysomelidae	Betulaceae
Genus	Psylliodes	Alnus
Species	Psylliodes chrysocephalus	Alnus rhombifolia

Conservation Status

Cabbage-stem flea beetle

NT — Near Threatened

California alder

LC — Least Concern

Physical Characteristics

Attribute	Cabbage-stem flea beetle	California alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cabbage-stem flea beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (8 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

California alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Canada.

Cabbage-stem flea beetle

The Cabbage-stem flea beetle (Psylliodes chrysocephalus) is a species in the genus Psylliodes. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

California alder

The California alder (Alnus rhombifolia) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.