| Color code and Abbreviations |
| Queens without information : |
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 |
| AB (APB): | Anders Peter Blæsild (DK) |
| EA (EAN): | Egon Andersson (SE) |
| EJ (EJ?): | E.J.? (S) |
| EK (EKS): | Eivon Karlsson (SE) |
| EO : | Erik Österlund (SE) |
| KB : | Keld Brandstrup (DK) |
| LH-LHj (LHJ): | Leif Hjalmarsson (SE) |
| PS : | Poul Erik Sørensen †2012(57) (DK) |
| SK : | Skärva depot (SE) |
| UG : | Ulf Gröhn †2012 (SE) |
|
| Races — Do use them |
| B: | buckfast |
| Ca: | carpatica |
| D: | cecropia macedonica |
| E: | lamarckii (Egyptian) |
|
| Importation mode |
| ieg : | Eggs imported (brood comb) |
| ilv : | Grafted larvae imported |
| Mating Places, etc |
| nat : | Free mated at random |
| run : | Runnö island (SE) |
| strs : | Styrsö island (SE) |
| tun : | Tunø island (DK) |
|