Base-spotted Pigmy vs Brown Diving Beetle

Stigmella basiguttella compared with Agabus brunneus

Key Differences

• Base-spotted Pigmy is Near Threatened while Brown Diving Beetle is Extinct.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Base-spotted Pigmy	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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