Photo: Arnstein Staverløkk / CC BY 3.0
Colletes floralis
Northern Colletes
A medium-sized plasterer bee with narrow greyish-white abdominal bands and distinctive tawny-brown hairs on the thorax. The first tergite is notably shiny and sparsely punctate. It nests in aggregations in sandy soils in warm, dry locations. In Switzerland it occurs in the Alps in montane to alpine meadows, foraging mainly on umbellifers and Asteraceae. Swiss Red List: Vulnerable (VU).
Species Facts
- Size
- 8-10 mm
- Flight Period
- June to August
- Nesting
- Ground
- Specialization
- Asteraceae
- Abundance
- Very rare
- Family
- Colletidae
External Sources
This data has been cross-referenced with national sources:
Data Source & Copyright
| Category | Source / Author | License |
|---|---|---|
| Photo | Arnstein Staverløkk | CC BY 3.0 |
| Taxonomy & Distribution | InfoFauna Switzerland | Public data |
| Global Distribution | GBIF | CC BY 4.0 |
Data Quality
High Quality Last audit: 2026-05-22 Red List: VU
Completeness: 100%
✓Photo exists✓Traits consistent✓Description quality✓Red List referenced✓Attribution verified
Confidence: 67%
IdentifiabilityMediumImage confidenceMediumImage qualityHighTrait coherenceHigh
