Alpine Knapweed vs Blackthorn Mining Bee

Centaurea nigrescens compared with Andrena varians

Key Differences

• Alpine Knapweed is Not Evaluated while Blackthorn Mining Bee is Least Concern.

Taxonomic Classification

Rank	Alpine Knapweed	Blackthorn Mining Bee
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Asterales (Daisies & Sunflowers)	Hymenoptera (Ants, Bees & Wasps)
Family	Asteraceae (Daisy Family)	Andrenidae
Genus	Centaurea	Andrena
Species	Centaurea nigrescens	Andrena varians

Conservation Status

Alpine Knapweed

NE — Not Evaluated

Blackthorn Mining Bee

LC — Least Concern

Physical Characteristics

Attribute	Alpine Knapweed	Blackthorn Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Knapweed

Habitat

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

Range

Widely distributed across Europe (11 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

Blackthorn Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

Alpine Knapweed

The Alpine Knapweed (Centaurea nigrescens) is a species in the genus Centaurea. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Widely distributed across Europe (11 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden