Book lice vs koala

Lepinotus reticulatus compared with Phascolarctos cinereus

Key Differences

• Book lice is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Book lice	koala
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum	Arthropoda (Artropoda)	Chordata (Chordates)
Class	Insecta (serangga)	Mammalia (mamalia)
Order	Psocodea (Psocodea)	Diprotodontia (Marsupials)
Family	Trogiidae	Phascolarctidae (Koalas)
Genus	Lepinotus	Phascolarctos (Koalas)
Species	Lepinotus reticulatus	Phascolarctos cinereus

Evolutionary Relationship

Book lice and koala share a common ancestor at the Kingdom level: Animalia. (hewan)

Conservation Status

Book lice

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Book lice	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Book lice

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Cyprus, Israel, Japan), Europe (24 countries), and North America (United States).

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Book lice

The Book lice (Lepinotus reticulatus) is a species in the genus Lepinotus. Typically found in virtually all terrestrial and freshwater habitats.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.