Brown Diving Beetle vs Grass-Leaf Pondweed

Agabus brunneus compared with Potamogeton gramineus

Key Differences

• Brown Diving Beetle is Extinct while Grass-Leaf Pondweed is Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Grass-Leaf Pondweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Liliopsida (Monocots)
Order	Coleoptera (Beetles)	Alismatales (Alismatales)
Family	Dytiscidae	Potamogetonaceae
Genus	Agabus	Potamogeton
Species	Agabus brunneus	Potamogeton gramineus

Conservation Status

Brown Diving Beetle

EX — Extinct

Grass-Leaf Pondweed

EN — Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Grass-Leaf Pondweed
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.

Grass-Leaf Pondweed

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 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