Beech Tarcrust vs Blackthorn Mining Bee

Biscogniauxia nummularia compared with Andrena varians

Key Differences

Beech Tarcrust is Data Deficient while Blackthorn Mining Bee is Least Concern.

Taxonomic Classification

Rank	Beech Tarcrust	Blackthorn Mining Bee
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Sordariomycetes (Sordariomycetes)	Insecta (Insects)
Order	Xylariales (Xylariales)	Hymenoptera (Ants, Bees & Wasps)
Family	Graphostromataceae	Andrenidae
Genus	Biscogniauxia	Andrena
Species	Biscogniauxia nummularia	Andrena varians

Conservation Status

Beech Tarcrust

DD — Data Deficient

Blackthorn Mining Bee

LC — Least Concern

Physical Characteristics

Attribute	Beech Tarcrust	Blackthorn Mining Bee
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).

Blackthorn Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, 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.

Blackthorn Mining Bee

The Blackthorn Mining Bee (Andrena varians) is a species in the genus Andrena. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Luxembourg, Norway, and Sweden.