Brown Diving Beetle vs Knotty-Leaved Rush

Agabus brunneus compared with Juncus acuminatus

Key Differences

• Brown Diving Beetle is Extinct while Knotty-Leaved Rush is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Knotty-Leaved Rush
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Liliopsida (Monocots)
Order	Coleoptera (Beetles)	Poales (Grasses)
Family	Dytiscidae	Juncaceae
Genus	Agabus	Juncus
Species	Agabus brunneus	Juncus acuminatus

Conservation Status

Brown Diving Beetle

EX — Extinct

Knotty-Leaved Rush

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Knotty-Leaved 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.

Knotty-Leaved Rush

Habitat

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

Range

Distributed across Australia, Canada, and United States.

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.