vs Brown Diving Beetle

Biddulphia rhombus compared with Agabus brunneus

Key Differences

• is Not Evaluated while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank		Brown Diving Beetle
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Arthropoda (Arthropods)
Class	Bacillariophyceae (Bacillariophyceae)	Insecta (Insects)
Order	Biddulphiales (Biddulphiales)	Coleoptera (Beetles)
Family	Biddulphiaceae	Dytiscidae
Genus	Biddulphia	Agabus
Species	Biddulphia rhombus	Agabus brunneus

Conservation Status

NE — Not Evaluated

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute		Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Sweden, and Taiwan.

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Biddulphia rhombus is a centric marine diatom with a distinctly bipolar, rhomboid to broadly lanceolate valve shape bearing prominent horn-like elevations. It inhabits coastal planktonic and benthic environments in temperate to warm seas worldwide. This photosynthetic diatom contributes to marine primary production in neritic coastal waters.

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 1 countries:

🇸🇪 Sweden