12 daughter colonies of the 4a were tested:
DE-13-14-501-1989 DE-13-14-502-1989 DE-13-14-503-1989 DE-13-14-504-1989 DE-13-14-505-1989 DE-13-14-506-1989 DE-13-14-507-1989 DE-13-14-508-1989 DE-13-14-509-1989 DE-13-14-510-1989 DE-13-14-511-1989 DE-13-14-512-1989
1 tested queens were mated at the mating station:
DE-13-14-520-1993
1 daughter colonies of queens mated at the mating station were tested:
DE-13-14-600-1996