12 daughter colonies of the 4a were tested:
DE-4-10-14-1988 DE-4-10-15-1988 DE-4-10-16-1988 DE-4-10-17-1988 DE-4-10-20-1988 DE-4-10-21-1988 DE-4-10-25-1988 DE-4-10-26-1988 DE-4-10-27-1988 DE-4-10-28-1988 DE-4-10-29-1988 DE-4-10-30-1988
10 tested queens were mated at the mating station:
DE-4-10-12-1990 DE-4-10-13-1990 DE-4-10-14-1990 DE-4-10-15-1990 DE-4-10-16-1990 DE-4-10-17-1990 DE-4-10-18-1990 DE-4-10-19-1990 DE-4-10-21-1990 DE-4-10-22-1990
19 daughter colonies of queens mated at the mating station were tested:
DE-4-10-27-1992 DE-4-10-29-1992 DE-4-10-31-1992 DE-4-10-33-1992 DE-4-10-34-1992 DE-4-10-35-1992 DE-4-10-37-1992 DE-4-10-40-1992 DE-4-10-41-1992 DE-4-10-42-1992 DE-4-10-43-1992 DE-4-10-92-1993 DE-4-10-98-1993 DE-4-10-102-1993 DE-4-10-104-1993 DE-4-10-107-1993 DE-4-10-108-1993 DE-4-10-110-1993 DE-4-10-111-1993