Blue Willow Beetle vs Japanese Weasel

Phratora vulgatissima compared with Mustela itatsi

Key Differences

• Blue Willow Beetle is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Blue Willow Beetle	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Coleoptera (Beetles)	Carnivora (Carnivorans)
Family	Chrysomelidae	Mustelidae (Weasels & Otters)
Genus	Phratora	Mustela
Species	Phratora vulgatissima	Mustela itatsi

Evolutionary Relationship

Blue Willow Beetle and Japanese Weasel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Willow Beetle

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Blue Willow Beetle	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Willow Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Blue Willow Beetle

The Blue Willow Beetle (Phratora vulgatissima) is a species in the genus Phratora. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.