Beet tortoise beetle vs Brown Diving Beetle

Cassida nebulosa compared with Agabus brunneus

Key Differences

• Beet tortoise beetle is Vulnerable while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Beet tortoise beetle	Brown Diving 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	Chrysomelidae	Dytiscidae
Genus	Cassida	Agabus
Species	Cassida nebulosa	Agabus brunneus

Evolutionary Relationship

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

Conservation Status

Beet tortoise beetle

VU — Vulnerable

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Beet tortoise beetle	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beet tortoise beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Beet tortoise beetle

The Beet tortoise beetle (Cassida nebulosa) is a species in the genus Cassida. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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