Blue Mason Bee vs Japanese Weasel

Osmia caerulescens compared with Mustela itatsi

Key Differences

• Blue Mason Bee is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Blue Mason Bee	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hymenoptera (Ants, Bees & Wasps)	Carnivora (Carnivorans)
Family	Megachilidae	Mustelidae (Weasels & Otters)
Genus	Osmia	Mustela
Species	Osmia caerulescens	Mustela itatsi

Evolutionary Relationship

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

Conservation Status

Blue Mason Bee

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Blue Mason Bee	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Mason Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Europe (5 countries), North America (United States), and Oceania and the Pacific (New Zealand).

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 Mason Bee

The Blue Mason Bee (Osmia caerulescens) is a species in the genus Osmia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.