No daughter colonies of the 4a were tested yet.
6 tested queens were mated at the mating station:
DE-4-89-232-1973 DE-4-89-239-1973 DE-4-89-244-1973 DE-4-89-245-1973 DE-4-89-248-1973 DE-4-89-258-1973
6 daughter colonies of queens mated at the mating station were tested:
DE-4-16-3-1976 DE-4-16-8-1976 DE-4-16-10-1976 DE-4-16-11-1976 DE-4-16-13-1976 DE-4-16-17-1976