6 daughter colonies of the 4a were tested:
DE-16-147-561-1970 DE-16-147-562-1970 DE-16-147-570-1970 DE-16-147-571-1970 DE-16-147-572-1970 DE-16-147-573-1970
22 tested queens were mated at the mating station:
DE-16-8-321-1972 DE-16-8-325-1972 DE-16-8-331-1972 DE-16-8-333-1972 DE-16-8-334-1972 DE-16-8-338-1972 DE-16-8-339-1972 DE-16-8-340-1972 DE-16-8-341-1972 DE-16-43-1060-1972 DE-16-43-1062-1972 DE-16-43-1065-1972 DE-16-43-1066-1972 DE-16-43-1069-1972 DE-16-43-1070-1972 DE-16-43-1071-1972 DE-16-43-1075-1972 DE-16-43-1080-1972 DE-16-43-1084-1972 DE-16-43-1086-1972 DE-16-43-1087-1972 DE-16-43-1090-1972
13 daughter colonies of queens mated at the mating station were tested:
DE-16-43-1312-1975 DE-16-43-1314-1975 DE-16-43-1316-1975 DE-16-43-1318-1975 DE-16-43-1319-1975 DE-16-43-1320-1975 DE-16-43-1322-1975 DE-16-43-1324-1975 DE-16-43-1327-1975 DE-16-43-1329-1975 DE-16-43-1330-1975 DE-16-43-1332-1975 DE-16-43-1333-1975