Alder Spittlebug vs Brook Floater

Aphrophora alni compared with Alasmidonta varicosa

Key Differences

• Alder Spittlebug is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Alder Spittlebug	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Hemiptera (Hemiptera)	Unionida (Unionida)
Family	Aphrophoridae	Unionidae
Genus	Aphrophora	Alasmidonta
Species	Aphrophora alni	Alasmidonta varicosa

Evolutionary Relationship

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

Conservation Status

Alder Spittlebug

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Alder Spittlebug	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

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.

Alder Spittlebug

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

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