Brown Diving Beetle vs Shelled Slug

Agabus brunneus compared with Testacella haliotidea

Key Differences

• Brown Diving Beetle is Extinct while Shelled Slug is Data Deficient.

Taxonomic Classification

Rank	Brown Diving Beetle	Shelled Slug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Coleoptera (Beetles)	Stylommatophora (Stylommatophora)
Family	Dytiscidae	Testacellidae
Genus	Agabus	Testacella
Species	Agabus brunneus	Testacella haliotidea

Evolutionary Relationship

Brown Diving Beetle and Shelled Slug share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Diving Beetle

EX — Extinct

Shelled Slug

DD — Data Deficient

Physical Characteristics

Attribute	Brown Diving Beetle	Shelled Slug
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.

Shelled Slug

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Widely distributed across Europe (9 countries), North America (United States), and Oceania and the Pacific (New Zealand).

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