Arctic lemming vs Book louse

Dicrostonyx torquatus compared with Liposcelis pearmani

Key Differences

• Arctic lemming is Least Concern while Book louse is Not Evaluated.

Taxonomic Classification

Rank	Arctic lemming	Book louse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Psocodea (Psocodea)
Family	Cricetidae	Liposcelididae
Genus	Dicrostonyx	Liposcelis
Species	Dicrostonyx torquatus	Liposcelis pearmani

Evolutionary Relationship

Arctic lemming and Book louse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic lemming

LC — Least Concern

Book louse

NE — Not Evaluated

Physical Characteristics

Attribute	Arctic lemming	Book louse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Book louse

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Israel, Japan), Europe (17 countries), and North America (United States).

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Book louse

The Book louse (Liposcelis pearmani) is a species in the genus Liposcelis. Typically found in virtually all terrestrial and freshwater habitats.