Beech Tarcrust vs Brown Diving Beetle

Biscogniauxia nummularia compared with Agabus brunneus

Key Differences

• Beech Tarcrust is Data Deficient while Brown Diving Beetle is Extinct.

Taxonomic Classification

Rank	Beech Tarcrust	Brown Diving Beetle
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Sordariomycetes (Sordariomycetes)	Insecta (Insects)
Order	Xylariales (Xylariales)	Coleoptera (Beetles)
Family	Graphostromataceae	Dytiscidae
Genus	Biscogniauxia	Agabus
Species	Biscogniauxia nummularia	Agabus brunneus

Conservation Status

Beech Tarcrust

DD — Data Deficient

Brown Diving Beetle

EX — Extinct

Physical Characteristics

Attribute	Beech Tarcrust	Brown Diving Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beech Tarcrust

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), and South America (Brazil).

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Beech Tarcrust

The Beech Tarcrust (Biscogniauxia nummularia) is a species in the genus Biscogniauxia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

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