Brown Diving Beetle vs Three-lined Soldier

Agabus brunneus compared with Oxycera trilineata

Key Differences

• Brown Diving Beetle is Extinct while Three-lined Soldier is Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Three-lined Soldier
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Diptera (Diptera)
Family	Dytiscidae	Stratiomyidae
Genus	Agabus	Oxycera
Species	Agabus brunneus	Oxycera trilineata

Evolutionary Relationship

Brown Diving Beetle and Three-lined Soldier share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Brown Diving Beetle

EX — Extinct

Three-lined Soldier

EN — Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Three-lined Soldier
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.

Three-lined Soldier

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered 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