Brown Diving Beetle vs Redshouldered ham beetle

Agabus brunneus compared with Necrobia ruficollis

Key Differences

• Brown Diving Beetle is Extinct while Redshouldered ham beetle is Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Redshouldered ham beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Coleoptera (Beetles)	Coleoptera (Beetles)
Family	Dytiscidae	Cleridae
Genus	Agabus	Necrobia
Species	Agabus brunneus	Necrobia ruficollis

Evolutionary Relationship

Brown Diving Beetle and Redshouldered ham beetle share a common ancestor at the Order level: Coleoptera. (Beetles)

Conservation Status

Brown Diving Beetle

EX — Extinct

Redshouldered ham beetle

EN — Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Redshouldered ham beetle
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.

Redshouldered ham beetle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 8 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (China, Japan, Taiwan), Europe (12 countries), and North America (Canada, United States). Currently classified as 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