7 daughter colonies of the 4a were tested:
DE-4-218-5-1974 DE-4-218-6-1974 DE-4-218-7-1974 DE-4-218-10-1974 DE-4-218-12-1974 DE-4-218-13-1974 DE-4-218-17-1974
9 tested queens were mated at the mating station:
DE-4-100-122-1976 DE-4-100-123-1976 DE-4-100-124-1976 DE-4-100-125-1976 DE-4-100-126-1976 DE-4-100-127-1976 DE-4-100-128-1976 DE-4-100-129-1976 DE-4-100-130-1976
7 daughter colonies of queens mated at the mating station were tested:
DE-4-100-193-1978 DE-4-100-194-1978 DE-4-100-195-1978 DE-4-100-196-1978 DE-4-100-197-1978 DE-4-100-198-1978 DE-4-100-199-1978