No daughter colonies of the 4a were tested yet.
6 tested queens were mated at the mating station:
DE-16-35-1-1971 DE-16-35-2-1971 DE-16-35-5-1971 DE-16-35-6-1971 DE-16-35-8-1971 DE-16-35-10-1971
15 daughter colonies of queens mated at the mating station were tested:
DE-16-35-254-1974 DE-16-35-255-1974 DE-16-35-256-1974 DE-16-35-258-1974 DE-16-35-259-1974 DE-16-35-260-1974 DE-16-35-261-1974 DE-16-35-262-1974 DE-16-35-263-1974 DE-16-35-265-1974 DE-16-35-266-1974 DE-16-35-267-1974 DE-16-35-268-1974 DE-16-35-269-1974 DE-16-35-270-1974