Alfken's Mini-miner vs Big-footed Thorius

Andrena alfkenella compared with Thorius magnipes

Key Differences

• Alfken's Mini-miner is Near Threatened while Big-footed Thorius is Critically Endangered.

Taxonomic Classification

Rank	Alfken's Mini-miner	Big-footed Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Amphibia (Amphibians)
Order	Hymenoptera (Ants, Bees & Wasps)	Caudata (Caudata)
Family	Andrenidae	Plethodontidae
Genus	Andrena	Thorius
Species	Andrena alfkenella	Thorius magnipes

Evolutionary Relationship

Alfken's Mini-miner and Big-footed Thorius share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alfken's Mini-miner

NT — Near Threatened

Big-footed Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Alfken's Mini-miner	Big-footed Thorius
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.

Big-footed Thorius

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Big-footed Thorius

The Big-footed Thorius (Thorius magnipes) is a species in the genus Thorius. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo