| Color code and Abbreviations |
| Queens without information : B519(ABR) B06(RK) |
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 |
| BSC : | Ben Som de Cerff (NL) |
| KB : | Keld Brandstrup (DK) |
| LJ : | Bertus & Jannie Jochems (NL) |
| MM : | Magnus Menges (DE) |
| ST : | Peter Stougård (DK) |
| TR : | Thomas Rueppel (DE) |
|
| Races — Do use them |
| A: | anatolica |
| B: | buckfast |
|
| Importation mode |
| imq : | Laying queen imported |
| Mating Places, etc |
| bal : | Baltrum island (DE) |
| flv : | Flevoland station (NL) |
| iabr : | Instrumental insemination (NL) |
| ins : | Instrumental insemination |
| mrk : | Marken peninsula (NL) |
| nex : | Nekselø island (DK) |
|