No daughter colonies of the 4a were tested yet.
9 tested queens were mated at the mating station:
DE-8-18-701-1973 DE-8-18-702-1973 DE-8-18-704-1973 DE-8-18-705-1973 DE-8-18-706-1973 DE-8-18-707-1973 DE-8-18-717-1973 DE-8-18-722-1973 DE-8-18-724-1973
10 daughter colonies of queens mated at the mating station were tested:
DE-8-18-1068-1975 DE-8-18-1086-1975 DE-8-18-1092-1975 DE-8-18-1094-1975 DE-8-18-1095-1975 DE-8-18-1096-1975 DE-8-18-1097-1975 DE-8-18-1115-1975 DE-8-18-1116-1975 DE-8-18-1128-1975