| Color code and Abbreviations |
| Queen without information : 6-366ABA8480 SF8645 6-366A |
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 |
| Breeders |
| (-) (BA): | Brother Adam †1996 (Karl Kehrle Foundation) |
| .. : | ??? |
| BM : | Bertil Mårtensson (SE) |
| BeA : | Bengt Ahl (SE) |
| UG : | Ulf Gröhn (SE) |
|
| Races — Do use them |
| B: | buckfast |
|
| Mating Places, etc |
| asp : | Aspö island (SE) |
| ins : | Instrumental insemination |
| lvg : | Løvgrund (SE) |
|