Brown Diving Beetle vs grey mouse-ear

Agabus brunneus compared with Cerastium brachypetalum

Key Differences

• Brown Diving Beetle is Extinct while grey mouse-ear is Critically Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	grey mouse-ear
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Arthropoda (節足動物)	Magnoliophyta (被子植物門)
Class	Insecta (昆虫)	Magnoliopsida (モクレン綱)
Order	Coleoptera (コウチュウ目)	Caryophyllales (ナデシコ目)
Family	Dytiscidae	Caryophyllaceae
Genus	Agabus	Cerastium
Species	Agabus brunneus	Cerastium brachypetalum

Conservation Status

Brown Diving Beetle

EX — Extinct

grey mouse-ear

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	grey mouse-ear
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.

grey mouse-ear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 countries) and North America (United States). 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