Brown Diving Beetle vs Rusty Crust

Agabus brunneus compared with Skeletocutis amorpha

Key Differences

• Brown Diving Beetle is Extinct while Rusty Crust is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Rusty Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Coleoptera (Beetles)	Polyporales (Polyporales)
Family	Dytiscidae	Incrustoporiaceae
Genus	Agabus	Skeletocutis
Species	Agabus brunneus	Skeletocutis amorpha

Conservation Status

Brown Diving Beetle

EX — Extinct

Rusty Crust

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Rusty Crust
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.

Rusty Crust

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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