Bighead knapweed vs Brown Diving Beetle

Centaurea macrocephala compared with Agabus brunneus

Key Differences

• Bighead knapweed is Not Evaluated while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Bighead knapweed	Brown Diving Beetle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Asterales (Daisies & Sunflowers)	Coleoptera (Beetles)
Family	Asteraceae (Daisy Family)	Dytiscidae
Genus	Centaurea	Agabus
Species	Centaurea macrocephala	Agabus brunneus

Conservation Status

Bighead knapweed

NE — Not Evaluated

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Bighead knapweed	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bighead knapweed

Habitat

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

Range

Found across Europe (6 countries) and North America (Canada, United States).

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Bighead knapweed

The Bighead knapweed (Centaurea macrocephala) is a species in the genus Centaurea. 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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden