Brown Diving Beetle vs sharp-flowered rush

Agabus brunneus compared with Juncus acutiflorus

Key Differences

• Brown Diving Beetle is Extinct while sharp-flowered rush is Critically Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	sharp-flowered rush
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Arthropoda (節足動物)	Magnoliophyta (被子植物門)
Class	Insecta (昆虫)	Liliopsida (単子葉植物綱)
Order	Coleoptera (コウチュウ目)	Poales (イネ目)
Family	Dytiscidae	Juncaceae
Genus	Agabus	Juncus
Species	Agabus brunneus	Juncus acutiflorus

Conservation Status

Brown Diving Beetle

EX — Extinct

sharp-flowered rush

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	sharp-flowered 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.

sharp-flowered rush

Habitat

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

Range

Found across Europe (6 countries) and Oceania and the Pacific (Australia). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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