Brown Diving Beetle vs Oval Spike-Rush

Agabus brunneus compared with Eleocharis ovata

Key Differences

Brown Diving Beetle is Extinct while Oval Spike-Rush is Near Threatened.

Taxonomic Classification

Rank	Brown Diving Beetle	Oval 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 ovata

Conservation Status

Brown Diving Beetle

EX — Extinct

Oval Spike-Rush

NT — Near Threatened

Physical Characteristics

Attribute	Brown Diving Beetle	Oval 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.

Oval Spike-Rush

Habitat

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

Range

Distributed across Belgium, Canada, and United States. 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.