| 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. |
| Queen and Drones result of a cross between two different lines : interesting to increase their resistance and qualities. |
| Breeders |
| KB : | Keld Brandstrup (DK) |
| MKK : | Pierre de Koning (NL) |
| PJ : | Paul Jungels (LU) |
| PM : | Pierre Marin (BE) |
| ST : | Peter Stougård (DK) |
| TR : | Thomas Rueppel (DE) |
|
| Races — Do use them |
| B: | buckfast |
| D: | cecropia macedonica |
| MG: | Margret's hive No 5 |
|
| Importation mode |
| icl : | Eggs imported (colony exchange) |
| ieg : | Eggs imported (brood comb) |
| imq : | Laying queen imported |
| Mating Places, etc |
| inpm : | Instrumental insemination (BE) |
| irjb : | Instrumental insemination (BE) |
| mrk : | Marken peninsula (NL) |
| nat : | Free mated at random |
| nex : | Nekselø island (DK) |
|