Brown Diving Beetle vs Lesser Featherwort

Agabus brunneus compared with Plagiochila porelloides

Key Differences

• Brown Diving Beetle is Extinct while Lesser Featherwort is Critically Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Lesser Featherwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Jungermanniopsida (Jungermanniopsida)
Order	Coleoptera (Beetles)	Jungermanniales (Jungermanniales)
Family	Dytiscidae	Plagiochilaceae
Genus	Agabus	Plagiochila
Species	Agabus brunneus	Plagiochila porelloides

Conservation Status

Brown Diving Beetle

EX — Extinct

Lesser Featherwort

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Lesser Featherwort
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.

Lesser Featherwort

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (United States). Currently classified as Critically 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