Brown Diving Beetle vs One-Glumed Spike-Rush

Agabus brunneus compared with Eleocharis uniglumis

Key Differences

• Brown Diving Beetle is Extinct while One-Glumed Spike-Rush is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	One-Glumed Spike-Rush
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Liliopsida (Monocots)
Order	Coleoptera (Beetles)	Poales (Grasses)
Family	Dytiscidae	Cyperaceae
Genus	Agabus	Eleocharis
Species	Agabus brunneus	Eleocharis uniglumis

Conservation Status

Brown Diving Beetle

EX — Extinct

One-Glumed Spike-Rush

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	One-Glumed Spike-Rush
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.

One-Glumed Spike-Rush

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found across Europe (7 countries) and North America (Canada).

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