Beet Armyworm vs Brown Rat

Spodoptera exigua compared with Rattus norvegicus

Key Differences

• Beet Armyworm is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Beet Armyworm	Brown Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Noctuidae	Muridae (Mice & Rats)
Genus	Spodoptera	Rattus
Species	Spodoptera exigua	Rattus norvegicus

Evolutionary Relationship

Beet Armyworm and Brown Rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Beet Armyworm

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Beet Armyworm	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beet Armyworm

Habitat

Inhabits tropical and subtropical dry broadleaf forests within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (8 countries), Asia (Taiwan, Yemen), Europe (5 countries), and North America (Mexico, United States).

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Beet Armyworm

The Beet Armyworm (Spodoptera exigua) is a species in the genus Spodoptera. Inhabits tropical and subtropical dry broadleaf forests within the Afrotropic biogeographic realm. The species is documented in scientific literature under the name Spodoptera exigua.

Brown Rat

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 12 countries:

🇧🇪 Belgium 🇨🇻 Cabo Verde 🇩🇰 Denmark 🇲🇺 Mauritius 🇲🇽 Mexico 🇳🇴 Norway 🇵🇹 Portugal 🇸🇨 Seychelles 🇿🇦 South Africa 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States