No daughter colonies of the 4a were tested yet.
1 tested queens were mated at the mating station:
DE-16-75-244-1969
7 daughter colonies of queens mated at the mating station were tested:
DE-16-75-292-1971 DE-16-75-293-1971 DE-16-75-294-1971 DE-16-75-295-1971 DE-16-75-296-1971 DE-16-75-297-1971 DE-16-75-298-1971