Brown Diving Beetle vs

Agabus brunneus compared with Usnea cornuta

Key Differences

• Brown Diving Beetle is Extinct while is Near Threatened.

Taxonomic Classification

Rank	Brown Diving Beetle
Kingdom	Animalia (حيوانات)	Fungi (فطر)
Phylum	Arthropoda (مفصليات الأرجل)	Ascomycota (فطريات زقية)
Class	Insecta (حشرات)	Lecanoromycetes (لقنورانية)
Order	Coleoptera (خنفساء)	Lecanorales (لقنوريات)
Family	Dytiscidae	Parmeliaceae
Genus	Agabus	Usnea
Species	Agabus brunneus	Usnea cornuta

Conservation Status

Brown Diving Beetle

EX — Extinct

NT — Near Threatened

Physical Characteristics

Attribute	Brown Diving Beetle
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.

Shared Countries

Both species can be found in 1 countries:

🇸🇪 Sweden