Black-stemmed Goldendrop vs Brown Diving Beetle

Onosma nigricaulis compared with Agabus brunneus

Key Differences

• Black-stemmed Goldendrop is Critically Endangered while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Black-stemmed Goldendrop	Brown Diving Beetle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Boraginales (Boraginales)	Coleoptera (Beetles)
Family	Boraginaceae	Dytiscidae
Genus	Onosma	Agabus
Species	Onosma nigricaulis	Agabus brunneus

Conservation Status

Black-stemmed Goldendrop

CR — Critically Endangered

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Black-stemmed Goldendrop	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-stemmed Goldendrop

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Black-stemmed Goldendrop

The Black-stemmed Goldendrop (Onosma nigricaulis) is a species in the genus Onosma. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.