6 daughter colonies of the 4a were tested:
DE-4-200-2-1979 DE-4-200-13-1979 DE-4-200-18-1979 DE-4-200-22-1979 DE-4-200-31-1979 DE-4-200-56-1979
7 tested queens were mated at the mating station:
DE-4-31-1-1981 DE-4-31-2-1981 DE-4-31-3-1981 DE-4-31-4-1981 DE-4-31-6-1981 DE-4-31-7-1981 DE-4-199-37-1981
7 daughter colonies of queens mated at the mating station were tested:
DE-4-31-2-1982 DE-4-31-3-1982 DE-4-31-4-1982 DE-4-31-5-1982 DE-4-31-7-1982 DE-4-31-9-1982 DE-4-31-10-1982