Alfalfa Weevil vs Japanese Weasel

Hypera postica compared with Mustela itatsi

Key Differences

• Alfalfa Weevil is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Alfalfa Weevil	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Coleoptera (Beetles)	Carnivora (Carnivorans)
Family	Curculionidae	Mustelidae (Weasels & Otters)
Genus	Hypera	Mustela
Species	Hypera postica	Mustela itatsi

Evolutionary Relationship

Alfalfa Weevil and Japanese Weasel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alfalfa Weevil

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Alfalfa Weevil	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alfalfa Weevil

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 7 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (China, Japan), Europe (4 countries), and North America (Canada, United States).

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.

Alfalfa Weevil

The Alfalfa Weevil (Hypera postica) is a species in the genus Hypera. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 7 distinct biome types spanning the Indomalayan and Palearctic re.

Shared Countries

Both species can be found in 1 countries:

🇯🇵 Japan