Brown Diving Beetle vs Downy Emerald

Agabus brunneus compared with Cordulia aenea

Key Differences

• Brown Diving Beetle is Extinct while Downy Emerald is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Downy Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Odonata (Odonata)
Family	Dytiscidae	Corduliidae
Genus	Agabus	Cordulia
Species	Agabus brunneus	Cordulia aenea

Evolutionary Relationship

Brown Diving Beetle and Downy Emerald share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Brown Diving Beetle

EX — Extinct

Downy Emerald

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Downy Emerald
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.

Downy Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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.

Downy Emerald

Downy Emerald (Cordulia aenea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden