12 daughter colonies of the 4a were tested:
DE-6-6-2-1995 DE-6-6-3-1995 DE-6-6-5-1995 DE-6-6-6-1995 DE-6-6-7-1995 DE-6-6-11-1995 DE-6-6-13-1995 DE-6-6-14-1995 DE-6-6-16-1995 DE-6-6-22-1995 DE-6-6-23-1995 DE-6-6-25-1995
20 tested queens were mated at the mating station:
DE-18-2-23-1997 DE-18-2-24-1997 DE-18-2-25-1997 DE-18-2-26-1997 DE-18-2-27-1997 DE-18-2-28-1997 DE-18-2-37-1997 DE-18-2-38-1997 DE-18-2-39-1997 DE-18-2-40-1997 DE-18-2-41-1997 DE-18-2-55-1997 DE-18-2-56-1997 DE-18-2-57-1997 DE-18-2-58-1997 DE-18-2-59-1997 DE-18-2-60-1997 DE-18-2-73-1997 DE-18-2-74-1997 DE-18-2-76-1997
3 daughter colonies of queens mated at the mating station were tested:
DE-18-2-9-2000 DE-18-2-10-2000 DE-18-2-11-2000