Brown Diving Beetle vs Killarney Featherwort

Agabus brunneus compared with Plagiochila bifaria

Key Differences

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

Taxonomic Classification

Rank	Brown Diving Beetle	Killarney 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 bifaria

Conservation Status

Brown Diving Beetle

EX — Extinct

Killarney Featherwort

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Killarney 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.

Killarney Featherwort

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Brazil, Colombia, Luxembourg, Norway, and Portugal. 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.