Brown Diving Beetle vs Green Immigrant Leaf Weevil

Agabus brunneus compared with Polydrusus formosus

Key Differences

• Brown Diving Beetle is Extinct while Green Immigrant Leaf Weevil is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Green Immigrant Leaf Weevil
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	Curculionidae
Genus	Agabus	Polydrusus
Species	Agabus brunneus	Polydrusus formosus

Evolutionary Relationship

Brown Diving Beetle and Green Immigrant Leaf Weevil share a common ancestor at the Order level: Coleoptera. (Beetles)

Conservation Status

Brown Diving Beetle

EX — Extinct

Green Immigrant Leaf Weevil

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Green Immigrant Leaf Weevil
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.

Green Immigrant Leaf Weevil

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Turkey), Europe (31 countries), and North America (Canada, United States).

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