15 daughter colonies of the 4a were tested:
DE-16-303-2-1992 DE-16-303-4-1992 DE-16-303-5-1992 DE-16-303-6-1992 DE-16-303-7-1992 DE-16-303-9-1992 DE-16-303-11-1992 DE-16-303-12-1992 DE-16-303-14-1992 DE-16-303-16-1992 DE-16-303-21-1992 DE-16-303-22-1992 DE-16-303-25-1992 DE-16-303-26-1992 DE-16-303-31-1992
15 tested queens were mated at the mating station:
DE-16-303-2-1992 DE-16-303-4-1992 DE-16-303-5-1992 DE-16-303-6-1992 DE-16-303-7-1992 DE-16-303-9-1992 DE-16-303-11-1992 DE-16-303-12-1992 DE-16-303-14-1992 DE-16-303-16-1992 DE-16-303-21-1992 DE-16-303-22-1992 DE-16-303-25-1992 DE-16-303-26-1992 DE-16-303-31-1992
8 daughter colonies of queens mated at the mating station were tested:
DE-16-303-6-1995 DE-16-303-8-1995 DE-16-303-10-1995 DE-16-303-11-1995 DE-16-303-12-1995 DE-16-303-13-1995 DE-16-303-15-1995 DE-16-303-16-1995