20 daughter colonies of the 4a were tested:
DE-4-10-1-1991 DE-4-10-2-1991 DE-4-10-5-1991 DE-4-10-6-1991 DE-4-10-12-1990 DE-4-10-12-1991 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 DE-4-10-25-1991 DE-4-10-26-1991 DE-4-10-32-1991 DE-4-10-33-1991 DE-4-10-34-1991
11 tested queens were mated at the mating station:
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
15 daughter colonies of queens mated at the mating station were tested:
DE-4-10-26-1996 DE-4-10-27-1996 DE-4-10-28-1996 DE-4-10-34-1996 DE-4-10-36-1995 DE-4-10-37-1995 DE-4-10-39-1995 DE-4-10-39-1996 DE-4-10-40-1995 DE-4-10-41-1995 DE-4-10-41-1996 DE-4-10-42-1995 DE-4-10-43-1995 DE-4-10-45-1996 DE-4-10-51-1996