Brown Diving Beetle vs Pear-tree Pigmy

Agabus brunneus compared with Stigmella pyri

Key Differences

• Brown Diving Beetle is Extinct while Pear-tree Pigmy is Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Pear-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 pyri

Evolutionary Relationship

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

Conservation Status

Brown Diving Beetle

EX — Extinct

Pear-tree Pigmy

EN — Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Pear-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.

Pear-tree Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries). 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