Beech Pigmy vs Japanese Weasel

Stigmella hemargyrella compared with Mustela itatsi

Key Differences

• Beech Pigmy is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Beech Pigmy	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Carnivora (Carnivorans)
Family	Nepticulidae	Mustelidae (Weasels & Otters)
Genus	Stigmella	Mustela
Species	Stigmella hemargyrella	Mustela itatsi

Evolutionary Relationship

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

Conservation Status

Beech Pigmy

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Beech Pigmy	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beech Pigmy

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.

Beech Pigmy

The Beech Pigmy (Stigmella hemargyrella) is a species in the genus Stigmella. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.