Photo: Vanessa Bremerich / CC0
Andrena nigroaenea
Buffish Mining Bee
A medium-sized mining bee with a faint metallic bronze sheen on the dark body and dense brownish hair on the thorax. The abdomen has narrow white hair bands. Females have dark scopae on the hind legs. It is a generalist forager visiting a wide range of spring flowers and nests in bare soil. In Switzerland it is common in gardens, meadows, and forest edges. Swiss Red List: Least Concern (LC).
Species Facts
- Size
- 10-13 mm
- Flight Period
- March to July
- Nesting
- Ground
- Specialization
- Generalist
- Abundance
- Very common
- Family
- Andrenidae
External Sources
This data has been cross-referenced with national sources:
Data Source & Copyright
| Category | Source / Author | License |
|---|---|---|
| Photo | Vanessa Bremerich | CC0 |
| Taxonomy & Distribution | InfoFauna Switzerland | Public data |
| Global Distribution | GBIF | CC BY 4.0 |
Data Quality
Adequate Last audit: 2026-05-22
Completeness: 100%
✓Photo exists✓Traits consistent✓Description quality✓Red List referenced✓Attribution verified
Confidence: 33%
IdentifiabilityLowImage confidenceLowImage qualityMediumTrait coherenceHigh
Risk flags
Hard to identify
Difficult to identify genus (andrena)
