Alfken's Mini-miner vs Black Clock

Andrena alfkenella compared with Pterostichus madidus

Key Differences

• Alfken's Mini-miner is Near Threatened while Black Clock is Least Concern.

Taxonomic Classification

Rank	Alfken's Mini-miner	Black Clock
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Hymenoptera (Ants, Bees & Wasps)	Coleoptera (Beetles)
Family	Andrenidae	Carabidae
Genus	Andrena	Pterostichus
Species	Andrena alfkenella	Pterostichus madidus

Evolutionary Relationship

Alfken's Mini-miner and Black Clock share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Black Clock

LC — Least Concern

Physical Characteristics

Attribute	Alfken's Mini-miner	Black Clock
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alfken's Mini-miner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Black Clock

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

Alfken's Mini-miner

The Alfken's Mini-miner (Andrena alfkenella) is a species in the genus Andrena. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Black Clock

The Black Clock (Pterostichus madidus) is a species in the genus Pterostichus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden