Photo: Sarefo / CC BY-SA 3.0
Hylaeus nigritus
Black Yellow-face Bee
A robust yellow-face bee with a black body that is one of the darkest Hylaeus species, with males having only small white facial spots. It nests in hollow stems and beetle burrows in dead wood. In Switzerland it is common in meadows, gardens, and forest edges from lowlands to alpine elevations. Swiss Red List: Least Concern (LC).
Species Facts
- Size
- 6–8 mm
- Flight Period
- May to September
- Nesting
- Cavities
- Specialization
- Generalist
- Abundance
- Common
- Family
- Colletidae
External Sources
This data has been cross-referenced with national sources:
Data Source & Copyright
| Category | Source / Author | License |
|---|---|---|
| Photo | Sarefo | CC BY-SA 3.0 |
| 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 (hylaeus)
