Brown Diving Beetle vs Triangle-marked Roller

Agabus brunneus compared with Ancylis achatana

Key Differences

• Brown Diving Beetle is Extinct while Triangle-marked Roller is Vulnerable.

Taxonomic Classification

Rank	Brown Diving Beetle	Triangle-marked Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Dytiscidae	Tortricidae
Genus	Agabus	Ancylis
Species	Agabus brunneus	Ancylis achatana

Evolutionary Relationship

Brown Diving Beetle and Triangle-marked Roller share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Brown Diving Beetle

EX — Extinct

Triangle-marked Roller

VU — Vulnerable

Physical Characteristics

Attribute	Brown Diving Beetle	Triangle-marked Roller
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.

Triangle-marked Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, 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