Photo: B. Schoenmakers / CC BY 3.0
Hylaeus gibbus
Gibbus Yellow-face Bee
A small black yellow-face bee with white facial markings in both sexes and a somewhat humpbacked appearance to the thorax. It nests in hollow stems and cavities. In Switzerland it is found in warm, dry habitats such as vineyards, dry meadows, and ruderal areas, visiting a variety of wildflowers including umbellifers and composites. Swiss Red List: Least Concern (LC).
Species Facts
- Size
- 5-7 mm
- Flight Period
- April to September
- Nesting
- Cavities
- Specialization
- Generalist
- Abundance
- Uncommon
- Family
- Colletidae
External Sources
This data has been cross-referenced with national sources:
Data Source & Copyright
| Category | Source / Author | License |
|---|---|---|
| Photo | B. Schoenmakers | CC BY 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)
