Brown Diving Beetle vs Grounded Oysterling

Agabus brunneus compared with Crepidotus autochthonus

Key Differences

• Brown Diving Beetle is Extinct while Grounded Oysterling is Vulnerable.

Taxonomic Classification

Rank	Brown Diving Beetle	Grounded Oysterling
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Coleoptera (Beetles)	Agaricales (Gilled Mushrooms)
Family	Dytiscidae	Crepidotaceae
Genus	Agabus	Crepidotus
Species	Agabus brunneus	Crepidotus autochthonus

Conservation Status

Brown Diving Beetle

EX — Extinct

Grounded Oysterling

VU — Vulnerable

Physical Characteristics

Attribute	Brown Diving Beetle	Grounded Oysterling
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.

Grounded Oysterling

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

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