| Color code and Abbreviations |
| Queen without information : {pure ligustica (Ciampelli)}VSHmix(JBB) B62(TR) |
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, Aunt-Nephews, are F1 this is a real Mendelian F1 cross. |
| 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 |
| ME : | Matthias Engel (DE) |
| MK : | Buckfast Marken (NL) |
| MKK : | Pierre de Koning (NL) |
| TR : | Thomas Rueppel (DE) |
|
| Races — Do use them |
| B: | buckfast |
| D: | cecropia macedonica |
|
| Importation mode |
| imq : | Laying queen imported |
| itq : | Tested queen imported |
| Mating Places, etc |
| bal : | Baltrum island (DE) |
| inme : | Instrumental insemination (DE) |
| ins : | Instrumental insemination |
| mrk : | Marken peninsula (NL) |
|