4 daughter colonies of the 4a were tested:
CH-51-241-3553-1991 CH-51-241-3554-1991 CH-51-241-3555-1991 CH-51-241-3556-1991
6 tested queens were mated at the mating station:
CH-51-52-3539-1991 CH-51-52-3540-1991 CH-51-52-3541-1991 CH-51-52-3542-1991 CH-51-52-3543-1991 CH-51-63-3834-1991
47 daughter colonies of queens mated at the mating station were tested:
CH-51-52-4301-1991 CH-51-52-4302-1991 CH-51-52-4303-1992 CH-51-52-4304-1992 CH-51-52-4305-1992 CH-51-52-4306-1992 CH-51-52-4307-1992 CH-51-52-4623-1993 CH-51-52-4624-1993 CH-51-52-4625-1993 CH-51-52-4626-1993 CH-51-52-4627-1993 CH-51-52-4987-1994 CH-51-52-4988-1994 CH-51-52-4989-1994 CH-51-52-4990-1994 CH-51-52-4991-1994 CH-51-52-4992-1994 CH-51-52-5111-1994 CH-51-52-5112-1994 CH-51-52-5113-1994 CH-51-52-5114-1994 CH-51-52-5115-1994 CH-51-52-5116-1994 CH-51-52-5117-1994 CH-51-52-5118-1994 CH-51-52-5133-1994 CH-51-52-5134-1994 CH-51-52-5135-1994 CH-51-52-5136-1994 CH-51-52-5137-1994 CH-51-52-5138-1994 CH-51-58-4643-1993 CH-51-58-4864-1994 CH-51-58-4865-1994 CH-51-58-4866-1994 CH-51-58-4867-1994 CH-51-58-4868-1994 CH-51-58-4869-1994 CH-51-58-4870-1994 CH-51-58-5119-1994 CH-51-58-5120-1994 CH-51-58-5121-1994 CH-51-58-5122-1994 CH-51-58-5123-1994 CH-51-58-5227-1994 CH-51-58-5228-1994