No daughter colonies of the 4a were tested yet.
27 tested queens were mated at the mating station:
DE-14-75-3-1968 DE-16-17-145-1968 DE-16-17-146-1968 DE-16-17-147-1968 DE-16-17-148-1968 DE-16-17-149-1968 DE-16-17-150-1968 DE-16-17-151-1968 DE-16-17-154-1968 DE-16-17-157-1968 DE-16-17-170-1968 DE-16-17-171-1968 DE-16-17-175-1968 DE-16-17-176-1968 DE-16-17-179-1968 DE-16-17-180-1968 DE-16-17-182-1968 DE-16-17-183-1968 DE-16-87-509-1968 DE-16-87-514-1968 DE-16-87-517-1968 DE-16-87-520-1968 DE-16-87-521-1968 DE-16-87-525-1968 DE-16-87-528-1968 DE-16-87-529-1968 DE-16-87-531-1968
15 daughter colonies of queens mated at the mating station were tested:
DE-14-75-5-1969 DE-14-75-6-1969 DE-14-75-7-1969 DE-14-75-8-1969 DE-14-75-9-1969 DE-16-17-255-1973 DE-16-17-256-1973 DE-16-17-257-1973 DE-16-17-258-1973 DE-16-17-259-1973 DE-16-17-260-1973 DE-16-17-261-1973 DE-16-17-262-1973 DE-16-17-263-1973 DE-16-17-266-1973