Brown Diving Beetle vs Variable-Leaved Crestwort

Agabus brunneus compared with Lophocolea heterophylla

Key Differences

• Brown Diving Beetle is Extinct while Variable-Leaved Crestwort is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Variable-Leaved Crestwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Jungermanniopsida (Jungermanniopsida)
Order	Coleoptera (Beetles)	Jungermanniales (Jungermanniales)
Family	Dytiscidae	Lophocoleaceae
Genus	Agabus	Lophocolea
Species	Agabus brunneus	Lophocolea heterophylla

Conservation Status

Brown Diving Beetle

EX — Extinct

Variable-Leaved Crestwort

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Variable-Leaved Crestwort
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.

Variable-Leaved Crestwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil).

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