8 daughter colonies of the 4a were tested:
DE-17-144-275-1990 DE-17-144-276-1990 DE-17-144-277-1990 DE-17-144-279-1990 DE-17-144-280-1990 DE-17-144-281-1990 DE-17-144-284-1990 DE-17-144-285-1990
16 tested queens were mated at the mating station:
DE-14-88-2-1991 DE-14-88-3-1991 DE-14-88-4-1991 DE-14-88-7-1991 DE-14-88-13-1991 DE-14-88-14-1991 DE-14-88-19-1991 DE-14-92-2-1991 DE-14-92-3-1991 DE-14-92-4-1991 DE-14-92-7-1991 DE-14-92-13-1991 DE-14-92-15-1991 DE-14-92-19-1991 DE-14-92-99486-1991 DE-14-92-99487-1991
6 daughter colonies of queens mated at the mating station were tested:
DE-14-88-1-1994 DE-14-88-4-1994 DE-14-88-5-1994 DE-14-88-6-1994 DE-14-88-9-1994 DE-14-88-99485-1994