8 daughter colonies of the 4a were tested:
CH-51-101-2316-1987 CH-51-101-2317-1987 CH-51-101-2448-1987 CH-51-101-2449-1987 CH-51-101-2567-1987 CH-51-101-2568-1987 CH-51-101-2569-1987 CH-51-101-2570-1987
13 tested queens were mated at the mating station:
CH-51-102-3062-1989 CH-51-102-3063-1989 CH-51-102-3064-1989 CH-51-102-3065-1989 CH-51-102-3066-1989 CH-51-102-3068-1989 CH-51-106-3403-1989 CH-51-106-3404-1989 CH-51-106-3405-1989 CH-51-106-3406-1989 CH-51-106-3407-1989 CH-51-106-3408-1989 CH-51-134-2964-1989
18 daughter colonies of queens mated at the mating station were tested:
CH-51-102-3821-1991 CH-51-102-3822-1991 CH-51-110-3749-1991 CH-51-110-3750-1991 CH-51-110-3751-1991 CH-51-110-3752-1991 CH-51-110-4159-1991 CH-51-110-4160-1991 CH-51-110-4161-1991 CH-51-110-4163-1992 CH-51-110-4164-1992 CH-51-110-4165-1992 CH-51-110-4166-1992 CH-51-110-4167-1992 CH-51-110-4168-1992 CH-51-110-4669-1992 CH-51-110-4670-1992 CH-51-110-4671-1992