Beet Armyworm vs Fall Armyworm

Spodoptera exigua compared with Spodoptera frugiperda

Taxonomic Classification

Rank	Beet Armyworm	Fall Armyworm
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Arthropoda (节肢动物门)	Arthropoda (节肢动物门)
Class same	Insecta (昆蟲綱)	Insecta (昆蟲綱)
Order same	Lepidoptera (鱗翅目)	Lepidoptera (鱗翅目)
Family same	Noctuidae	Noctuidae
Genus same	Spodoptera	Spodoptera
Species	Spodoptera exigua	Spodoptera frugiperda

Evolutionary Relationship

Beet Armyworm and Fall Armyworm share a common ancestor at the Genus level: Spodoptera.

Conservation Status

Beet Armyworm

NE — Not Evaluated

Fall Armyworm

NE — Not Evaluated

Physical Characteristics

Attribute	Beet Armyworm	Fall Armyworm
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).

Fall Armyworm

Habitat

Inhabits flooded grasslands and savannas within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (9 countries), Asia (Taiwan, Timor-Leste), Europe (Denmark), and North America (Canada, United States).

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇹🇼 Taiwan 🇺🇸 United States