| Color code and Abbreviations |
Queens from one strain, but mated by drones from another strain . Their population and daughters (and drones of them) are F1 crossed. |
| Queen and Drones have the same ancestors: combination to increase or stabilize some characteristics |
| Queen and Drones are Aunt-Nephews : that would correspond by us to a Sister-Brothers crossing. |
| Queen and/or Drones have unknown exact origin : that makes unable to find their real status. |
| Breeders |
| KB : | Keld Brandstrup (DK) |
| MMI : | Michel Minne (BE) |
|
| Races — Do use them |
| B: | buckfast |
| M: | monticola |
| S: | sahariensis |
|
| Importation mode |
| imq : | Laying queen imported |
| Mating Places, etc |
| nex : | Nekselø island (DK) |
| oro : | Orø island (DK) |
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