9 daughter colonies of the 4a were tested:
DE-8-171-10-1999 DE-8-171-658-1999 DE-8-171-659-1999 DE-8-171-660-1999 DE-8-171-661-1999 DE-8-171-662-1999 DE-8-171-664-1999 DE-8-171-665-1999 DE-8-171-666-1999
1 tested queens were mated at the mating station:
DE-8-171-10-2001
14 daughter colonies of queens mated at the mating station were tested:
DE-8-171-15-2003 DE-8-171-17-2003 DE-8-171-18-2003 DE-8-171-19-2003 DE-8-171-23-2003 DE-8-171-27-2003 DE-8-171-28-2003 DE-8-171-30-2003 DE-8-171-1228-2003 DE-8-171-1229-2003 DE-8-171-1230-2003 DE-8-171-1231-2003 DE-8-171-1232-2003 DE-8-171-1244-2003