Brown Diving Beetle vs Rufescent Sharp-tail Bee

Agabus brunneus compared with Coelioxys rufescens

Key Differences

• Brown Diving Beetle is Extinct while Rufescent Sharp-tail Bee is Vulnerable.

Taxonomic Classification

Rank	Brown Diving Beetle	Rufescent Sharp-tail Bee
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Arthropoda (节肢动物门)	Arthropoda (节肢动物门)
Class same	Insecta (昆蟲綱)	Insecta (昆蟲綱)
Order	Coleoptera (鞘翅目)	Hymenoptera (膜翅目)
Family	Dytiscidae	Megachilidae
Genus	Agabus	Coelioxys
Species	Agabus brunneus	Coelioxys rufescens

Evolutionary Relationship

Brown Diving Beetle and Rufescent Sharp-tail Bee share a common ancestor at the Class level: Insecta. (昆蟲綱)

Conservation Status

Brown Diving Beetle

EX — Extinct

Rufescent Sharp-tail Bee

VU — Vulnerable

Physical Characteristics

Attribute	Brown Diving Beetle	Rufescent Sharp-tail Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Rufescent Sharp-tail Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden