23 daughter colonies of the 4a were tested:
DE-13-4-6-1987 DE-13-4-8-1987 DE-13-4-9-1987 DE-13-4-10-1987 DE-13-4-11-1987 DE-13-4-12-1987 DE-13-4-14-1987 DE-13-4-15-1987 DE-13-4-16-1987 DE-13-4-18-1987 DE-13-4-20-1987 DE-13-4-21-1986 DE-13-4-21-1987 DE-13-4-22-1986 DE-13-4-23-1986 DE-13-4-24-1986 DE-13-4-34-1986 DE-13-4-35-1986 DE-13-4-36-1986 DE-13-4-37-1986 DE-13-4-41-1986 DE-13-4-42-1986 DE-13-4-43-1986
8 tested queens were mated at the mating station:
DE-13-4-19-1991 DE-13-4-20-1991 DE-13-4-21-1991 DE-13-4-22-1991 DE-13-4-23-1991 DE-13-4-24-1991 DE-13-4-25-1991 DE-13-4-28-1991
9 daughter colonies of queens mated at the mating station were tested:
DE-13-4-1-1993 DE-13-4-5-1993 DE-13-4-8-1993 DE-13-4-10-1993 DE-13-4-12-1993 DE-13-4-13-1993 DE-13-4-22-1993 DE-13-4-23-1993 DE-13-4-26-1993