Photo: Pjt56 / CC BY 4.0
Andrena gravida
White-bellied Mining Bee
A robust mining bee with striking white hairs on the face and sides of the thorax, and broad white hair bands on the abdomen. It resembles a larger, paler version of Andrena flavipes. It is univoltine, nesting in small aggregations in sparsely vegetated banks, field margins, and gardens. Swiss Red List: Least Concern (LC).
Species Facts
- Size
- 10–14 mm
- Flight Period
- April to May
- Nesting
- Ground
- Specialization
- Generalist
- Abundance
- Common
- Family
- Andrenidae
External Sources
This data has been cross-referenced with national sources:
Data Source & Copyright
| Category | Source / Author | License |
|---|---|---|
| Photo | Pjt56 | CC BY 4.0 |
| 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)
