Brown Diving Beetle vs Violet Crystalwort

Agabus brunneus compared with Riccia huebeneriana

Key Differences

• Brown Diving Beetle is Extinct while Violet Crystalwort is Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Violet Crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Marchantiopsida (Marchantiopsida)
Order	Coleoptera (Beetles)	Marchantiales (Marchantiales)
Family	Dytiscidae	Ricciaceae
Genus	Agabus	Riccia
Species	Agabus brunneus	Riccia huebeneriana

Conservation Status

Brown Diving Beetle

EX — Extinct

Violet Crystalwort

EN — Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Violet Crystalwort
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.

Violet Crystalwort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (6 countries) and North America (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