| 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/or Drones have unknown exact origin : that makes unable to find their real status. |
| Breeders |
| KB : | Keld Brandstrup (DK) |
| MKV : | Piet Verkooijen (NL) |
| TR : | Thomas Rueppel (DE) |
|
| Races — Do use them |
| A: | anatolica |
| B: | buckfast |
| D: | cecropia macedonica |
| E: | lamarckii (Egyptian) |
| M: | monticola |
|
| Importation mode |
| imq : | Laying queen imported |
| Mating Places, etc |
| mrk : | Marken peninsula (NL) |
| nex : | Nekselø island (DK) |
|