Brown Diving Beetle vs Common Blue Damselfly

Agabus brunneus compared with Enallagma cyathigerum

Key Differences

• Brown Diving Beetle is Extinct while Common Blue Damselfly is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Common Blue Damselfly
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	Coenagrionidae
Genus	Agabus	Enallagma
Species	Agabus brunneus	Enallagma cyathigerum

Evolutionary Relationship

Brown Diving Beetle and Common Blue Damselfly share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Brown Diving Beetle

EX — Extinct

Common Blue Damselfly

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Common Blue Damselfly
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.

Common Blue Damselfly

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.

Common Blue Damselfly

Common Blue Damselfly (Enallagma cyathigerum) 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