Red-horned Mini-miner
Andrena nanula
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
The Red-horned Mini-miner faces severe population declines primarily due to intensive agricultural practices that eliminate the sparse, sandy soils and early-flowering plants essential for its specialized nesting and foraging requirements. Urban development has fragmented its already limited habitat range, while the widespread use of neonicotinoid pesticides directly impacts both adult bees and their ground-dwelling larvae. Climate change is shifting the timing of host plant flowering, creating mismatches with the species' brief emergence period in early spring.
Habitat
This solitary mining bee requires open, sparsely vegetated areas with well-drained sandy or loamy soils for ground nesting, typically found in coastal dunes, sandy heathlands, and abandoned quarries. The species shows strong fidelity to sites with abundant early-blooming Brassicaceae and Rosaceae plants that coincide with its brief March-April flight period.
Other threatened species in Andrenidae
Threatened in Austria
Frequently asked questions
Why is Red-horned Mini-miner classified as Vulnerable?
Where does Red-horned Mini-miner live?
What are the main threats to Red-horned Mini-miner?
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