Alfken's Mini-miner vs Silk-Button Spangle Gall

Andrena alfkenella compared with Neuroterus numismalis

Key Differences

• Alfken's Mini-miner is Near Threatened while Silk-Button Spangle Gall is Not Evaluated.

Taxonomic Classification

Rank	Alfken's Mini-miner	Silk-Button Spangle Gall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Hymenoptera (Ants, Bees & Wasps)	Hymenoptera (Ants, Bees & Wasps)
Family	Andrenidae	Cynipidae
Genus	Andrena	Neuroterus
Species	Andrena alfkenella	Neuroterus numismalis

Evolutionary Relationship

Alfken's Mini-miner and Silk-Button Spangle Gall share a common ancestor at the Order level: Hymenoptera. (Ants, Bees & Wasps)

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Silk-Button Spangle Gall

NE — Not Evaluated

Physical Characteristics

Attribute	Alfken's Mini-miner	Silk-Button Spangle Gall
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.

Silk-Button Spangle Gall

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden