Brown Diving Beetle vs Dune Brittlestem

Agabus brunneus compared with Psathyrella ammophila

Key Differences

• Brown Diving Beetle is Extinct while Dune Brittlestem is Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Dune Brittlestem
Kingdom	Animalia (животные)	Fungi (грибы)
Phylum	Arthropoda (членистоногие)	Basidiomycota (базидиомицеты)
Class	Insecta (насекомые)	Agaricomycetes (агарикомицеты)
Order	Coleoptera (жесткокрылые)	Agaricales (агариковые)
Family	Dytiscidae	Psathyrellaceae
Genus	Agabus	Psathyrella
Species	Agabus brunneus	Psathyrella ammophila

Conservation Status

Brown Diving Beetle

EX — Extinct

Dune Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Dune Brittlestem
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.

Dune Brittlestem

Habitat

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

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