Brown Diving Beetle vs Six-spotted spider beetle

Agabus brunneus compared with Ptinus sexpunctatus

Key Differences

• Brown Diving Beetle is Extinct while Six-spotted spider beetle is Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Six-spotted spider 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	Ptinidae
Genus	Agabus	Ptinus
Species	Agabus brunneus	Ptinus sexpunctatus

Evolutionary Relationship

Brown Diving Beetle and Six-spotted spider beetle share a common ancestor at the Order level: Coleoptera. (Beetles)

Conservation Status

Brown Diving Beetle

EX — Extinct

Six-spotted spider beetle

EN — Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Six-spotted spider 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.

Six-spotted spider beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 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