Alder leaf beetle vs Beet Armyworm

Agelastica alni compared with Spodoptera exigua

Key Differences

• Alder leaf beetle is Least Concern while Beet Armyworm is Not Evaluated.

Taxonomic Classification

Rank	Alder leaf beetle	Beet Armyworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Chrysomelidae	Noctuidae
Genus	Agelastica	Spodoptera
Species	Agelastica alni	Spodoptera exigua

Evolutionary Relationship

Alder leaf beetle and Beet Armyworm share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Alder leaf beetle

LC — Least Concern

Beet Armyworm

NE — Not Evaluated

Physical Characteristics

Attribute	Alder leaf beetle	Beet Armyworm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder leaf beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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).

Alder leaf beetle

The Alder leaf beetle (Agelastica alni) is a species in the genus Agelastica. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States