10 daughter colonies of the 4a were tested:
DE-4-239-2-1997 DE-4-239-3-1997 DE-4-239-5-1997 DE-4-239-6-1997 DE-4-239-7-1997 DE-4-239-8-1997 DE-4-239-9-1997 DE-4-239-14-1996 DE-4-239-22-1997 DE-4-239-24-1997
18 tested queens were mated at the mating station:
DE-4-239-2-1998 DE-4-239-4-1998 DE-4-239-9-1998 DE-4-239-15-1998 DE-4-239-17-1998 DE-4-239-22-1998 DE-4-239-23-1998 DE-4-239-25-1998 DE-4-239-41-1998 DE-4-239-42-1998 DE-4-239-43-1998 DE-4-239-45-1998 DE-4-241-39-1998 DE-4-241-40-1998 DE-4-241-49-1998 DE-4-241-50-1998 DE-4-241-54-1998 DE-4-241-55-1998
38 daughter colonies of queens mated at the mating station were tested:
DE-4-239-8-2000 DE-4-239-10-2001 DE-4-239-14-2001 DE-4-239-15-2001 DE-4-239-17-2001 DE-4-239-19-2000 DE-4-239-22-2001 DE-4-239-26-2000 DE-4-239-27-2000 DE-4-239-27-2001 DE-4-239-29-2000 DE-4-239-29-2001 DE-4-239-31-2000 DE-4-241-12-2000 DE-4-241-12-2001 DE-4-241-14-2000 DE-4-241-16-2001 DE-4-241-17-2001 DE-4-241-18-2001 DE-4-241-19-2001 DE-4-241-21-2001 DE-4-241-36-2000 DE-4-241-41-2000 DE-4-241-43-2000 DE-4-241-44-2000 DE-4-241-47-2000 DE-4-241-48-2000 DE-4-241-57-2001 DE-4-241-58-2001 DE-4-241-59-2001 DE-4-241-60-2000 DE-4-241-63-2000 DE-4-241-63-2001 DE-4-241-66-2000 DE-4-241-67-2000 DE-4-241-80-2001 DE-4-241-92-2001 DE-4-242-41-2001