Photo: Martin Andersson / CC BY-SA 4.0
Colletes marginatus
Margined Colletes
A small plasterer bee (7-9 mm) with a black body, narrow white abdominal hair bands, and a densely punctate first tergite. It is oligolectic on Fabaceae (legumes), particularly clovers and vetches. It nests solitarily or in small aggregations in sandy soils in warm, dry habitats. In Switzerland it is known from scattered localities in the lowlands and inner Alpine valleys, particularly in sandy ruderal areas and dry grasslands. Swiss Red List: Endangered (EN).
Species Facts
- Size
- 7-9 mm
- Flight Period
- June to August
- Nesting
- Ground
- Specialization
- Fabaceae (legumes)
- Abundance
- Rare
- Family
- Colletidae
External Sources
This data has been cross-referenced with national sources:
Data Source & Copyright
| Category | Source / Author | License |
|---|---|---|
| Photo | Martin Andersson | CC BY-SA 4.0 |
| Taxonomy & Distribution | InfoFauna Switzerland | Public data |
| Global Distribution | GBIF | CC BY 4.0 |
Data Quality
High Quality Last audit: 2026-05-22 Red List: EN
Completeness: 100%
✓Photo exists✓Traits consistent✓Description quality✓Red List referenced✓Attribution verified
Confidence: 67%
IdentifiabilityMediumImage confidenceMediumImage qualityHighTrait coherenceHigh
