Blunt-leaved Earwort vs Brown Diving Beetle

Diplophyllum obtusifolium compared with Agabus brunneus

Key Differences

Blunt-leaved Earwort is Critically Endangered while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Blunt-leaved Earwort	Brown Diving Beetle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Arthropoda (Arthropods)
Class	Jungermanniopsida (Jungermanniopsida)	Insecta (Insects)
Order	Jungermanniales (Jungermanniales)	Coleoptera (Beetles)
Family	Scapaniaceae	Dytiscidae
Genus	Diplophyllum	Agabus
Species	Diplophyllum obtusifolium	Agabus brunneus

Conservation Status

Blunt-leaved Earwort

CR — Critically Endangered

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Blunt-leaved Earwort	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blunt-leaved Earwort

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Blunt-leaved Earwort

The Blunt-leaved Earwort (Diplophyllum obtusifolium) is a species in the genus Diplophyllum. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

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.