Brown Diving Beetle vs Chittick

Agabus brunneus compared with Lambertia inermis

Key Differences

• Brown Diving Beetle is Extinct while Chittick is Vulnerable.

Taxonomic Classification

Rank	Brown Diving Beetle	Chittick
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Coleoptera (Beetles)	Proteales (Proteales)
Family	Dytiscidae	Proteaceae
Genus	Agabus	Lambertia
Species	Agabus brunneus	Lambertia inermis

Conservation Status

Brown Diving Beetle

EX — Extinct

Chittick

VU — Vulnerable

Physical Characteristics

Attribute	Brown Diving Beetle	Chittick
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.

Chittick

Habitat

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.

Chittick

The Chittick (Lambertia inermis) is a flowering shrub in the family Proteaceae, endemic to southwestern Western Australia — one of the world's most significant plant biodiversity hotspots. It belongs to the genus Lambertia, a small Australian endemic genus of about ten species collectively known as honeysuckles, characterised by tubular, brightly coloured flowers adapted for pollination by honeyeaters and other nectar-feeding birds. Lambertia inermis produces clusters of red or yellow tubular flowers at the branch tips, providing an important food resource for native wildlife. The species grows in the kwongan heathland and mallee scrubland vegetation communities of the Southwest Australian Floristic Region, occurring on nutrient-poor, sandy or lateritic soils. Its name inermis, meaning unarmed or spineless, distinguishes it from relatives with spiny bracts. The IUCN classifies this species as Vulnerable, reflecting the significant threats facing the Southwest Australian Floristic Region, including extensive land clearing for agriculture, altered fire regimes, disease — particularly the root rot pathogen Phytophthora cinnamomi — and increasingly severe drought driven by climate change. Conservation of kwongan heathland, through management of Phytophthora spread and sensitive fire management, is essential for the long-term survival of Chittick and hundreds of other endemic plant species sharing its habitat.