Brook Floater vs Fall Armyworm

Alasmidonta varicosa compared with Spodoptera frugiperda

Key Differences

• Brook Floater is Vulnerable while Fall Armyworm is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Fall Armyworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Lepidoptera (Butterflies & Moths)
Family	Unionidae	Noctuidae
Genus	Alasmidonta	Spodoptera
Species	Alasmidonta varicosa	Spodoptera frugiperda

Evolutionary Relationship

Brook Floater and Fall Armyworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Fall Armyworm

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Fall Armyworm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

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

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).

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States