No daughter colonies of the 4a were tested yet.
18 tested queens were mated at the mating station:
DE-14-2-1431-1974 DE-14-2-1432-1974 DE-14-2-1433-1974 DE-14-2-1434-1974 DE-14-2-1435-1974 DE-14-2-1436-1974 DE-14-2-1437-1974 DE-16-18-96-1974 DE-16-18-102-1974 DE-16-18-103-1974 DE-16-18-104-1974 DE-16-18-105-1974 DE-16-18-106-1974 DE-16-18-107-1974 DE-16-18-108-1974 DE-16-18-110-1974 DE-16-18-111-1974 DE-16-18-118-1974
No daughter colonies from colonies mated at the station were tested yet.