| Color code and Abbreviations |
Queen from one strain, but mated by drones from another strain . Her 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 result of a cross between two different lines : interesting to increase their resistance and qualities. |
| Breeders |
| .. : | Not known! () |
| KB : | Keld Brandstrup (DK) |
| NJU : | Norbert Jung (FR) |
| PS : | Poul Erik Sørensen †2012(57) (DK) |
|
| Races — Do use them |
| B: | buckfast |
| C: | carniolian |
| Ca: | carpatica |
|
| Importation mode |
| imq : | Laying queen imported |
| Mating Places, etc |
| nex : | Nekselø island (DK) |
| rach : | Rachel-Diensthütte Mountain (DE) |
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