boisduval scale vs Brook Floater

Diaspis boisduvalii compared with Alasmidonta varicosa

Key Differences

• boisduval scale is Not Evaluated while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	boisduval scale	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Hemiptera (Hemiptera)	Unionida (Unionida)
Family	Diaspididae	Unionidae
Genus	Diaspis	Alasmidonta
Species	Diaspis boisduvalii	Alasmidonta varicosa

Evolutionary Relationship

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

Conservation Status

boisduval scale

NE — Not Evaluated

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	boisduval scale	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

boisduval scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Japan, Taiwan), Europe (15 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.

boisduval scale

The boisduval scale (Diaspis boisduvalii) is a species in the genus Diaspis. Native to Belgium, Bulgaria, Denmark, France, Germany.

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