Flat grain beetle vs Polynesian rat

Cryptolestes pusillus compared with Rattus exulans

Key Differences

• Flat grain beetle is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Flat grain beetle	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Coleoptera (Beetles)	Rodentia (Rodents)
Family	Laemophloeidae	Muridae (Mice & Rats)
Genus	Cryptolestes	Rattus
Species	Cryptolestes pusillus	Rattus exulans

Evolutionary Relationship

Flat grain beetle and Polynesian rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Flat grain beetle

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Flat grain beetle	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flat grain beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Japan), Europe (19 countries), North America (Canada, United States), and South America (Venezuela).

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Shared Countries

Both species can be found in 3 countries:

🇯🇵 Japan 🇬🇧 United Kingdom 🇺🇸 United States