Brook Floater vs Darkling beetle

Alasmidonta varicosa compared with Blaps lethifera

Key Differences

• Brook Floater is Vulnerable while Darkling beetle is Extinct.

Taxonomic Classification

Rank	Brook Floater	Darkling beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Coleoptera (Beetles)
Family	Unionidae	Tenebrionidae
Genus	Alasmidonta	Blaps
Species	Alasmidonta varicosa	Blaps lethifera

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Darkling beetle

EX — Extinct

Physical Characteristics

Attribute	Brook Floater	Darkling beetle
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.

Darkling beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (10 countries) and North America (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