Photo: Bartosz Sarnowski / CC BY
Andrena tibialis
Grey-gastered Mining Bee
A medium-sized mining bee with orange-red hind tibiae and tarsi, a yellowish-brown thorax, and a black abdomen with narrow, sparse white hair bands. It flies early in spring from March, sometimes with a partial second generation in July. It nests solitarily in sparsely vegetated soil in meadows, forest edges, and ruderal areas. Swiss Red List: Least Concern (LC).
Species Facts
- Size
- 12–15 mm
- Flight Period
- March to June
- Nesting
- Ground
- Specialization
- Generalist
- Abundance
- Uncommon
- Family
- Andrenidae
External Sources
This data has been cross-referenced with national sources:
Data Source & Copyright
| Category | Source / Author | License |
|---|---|---|
| Photo | Bartosz Sarnowski | CC BY |
| 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)
