Brown Diving Beetle vs Nut-Tree Pigmy

Agabus brunneus compared with Stigmella microtheriella

Key Differences

• Brown Diving Beetle is Extinct while Nut-Tree Pigmy is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Nut-Tree Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Dytiscidae	Nepticulidae
Genus	Agabus	Stigmella
Species	Agabus brunneus	Stigmella microtheriella

Evolutionary Relationship

Brown Diving Beetle and Nut-Tree Pigmy share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Brown Diving Beetle

EX — Extinct

Nut-Tree Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Nut-Tree Pigmy
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.

Nut-Tree Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and 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