9 daughter colonies of the 4a were tested:
DE-8-95-29-1981 DE-8-95-30-1981 DE-8-95-31-1981 DE-8-95-32-1981 DE-8-95-33-1981 DE-8-95-34-1981 DE-8-95-35-1981 DE-8-95-36-1981 DE-8-95-37-1981
1 tested queens were mated at the mating station:
DE-14-72-851-1984
7 daughter colonies of queens mated at the mating station were tested:
DE-14-72-897-1986 DE-14-72-898-1986 DE-14-72-902-1986 DE-14-72-905-1986 DE-14-72-906-1986 DE-14-72-907-1986 DE-14-72-912-1986