Brook Floater vs Cryptic Bumblebee

Alasmidonta varicosa compared with Bombus cryptarum

Key Differences

• Brook Floater is Vulnerable while Cryptic Bumblebee is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Cryptic Bumblebee
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Arthropoda (節足動物)
Class	Bivalvia (二枚貝)	Insecta (昆虫)
Order	Unionida (イシガイ目)	Hymenoptera (ハチ目)
Family	Unionidae	Apidae (Bees)
Genus	Alasmidonta	Bombus
Species	Alasmidonta varicosa	Bombus cryptarum

Evolutionary Relationship

Brook Floater and Cryptic Bumblebee share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Brook Floater

VU — Vulnerable

Cryptic Bumblebee

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Cryptic Bumblebee
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.

Cryptic Bumblebee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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.