35 daughter colonies of the 4a were tested:
CH-51-4-2411-1987 CH-51-4-2412-1987 CH-51-4-2413-1987 CH-51-4-2414-1987 CH-51-4-2415-1987 CH-51-4-2416-1987 CH-51-4-2417-1987 CH-51-4-2418-1987 CH-51-4-2419-1987 CH-51-4-2420-1987 CH-51-4-2852-1987 CH-51-4-2853-1987 CH-51-4-2854-1987 CH-51-4-2855-1987 CH-51-4-2856-1987 CH-51-4-2857-1987 CH-51-4-3076-1987 CH-51-4-3077-1987 CH-51-4-3078-1987 CH-51-4-3079-1987 CH-51-4-3080-1987 CH-51-6-2833-1987 CH-51-6-3006-1987 CH-51-6-3534-1987 CH-51-7-3144-1988 CH-51-15-2366-1987 CH-51-15-2367-1987 CH-51-15-2368-1987 CH-51-15-2369-1987 CH-51-15-2370-1987 CH-51-15-2371-1987 CH-51-15-2372-1987 CH-51-15-2373-1987 CH-51-15-2374-1987 CH-51-15-2375-1987
29 tested queens were mated at the mating station:
CH-51-15-3516-1990 CH-51-15-3517-1990 CH-51-102-3448-1990 CH-51-106-3402-1990 CH-51-106-3412-1990 CH-51-106-3414-1990 CH-51-106-3415-1990 CH-51-106-3416-1990 CH-51-106-3417-1990 CH-51-106-3418-1990 CH-51-106-3419-1990 CH-51-106-3420-1990 CH-51-106-3512-1990 CH-51-108-3330-1990 CH-51-108-3331-1990 CH-51-108-3332-1990 CH-51-108-3333-1990 CH-51-108-3334-1990 CH-51-108-3335-1990 CH-51-108-3336-1990 CH-51-108-3337-1990 CH-51-108-3338-1990 CH-51-108-3592-1990 CH-51-110-3401-1990 CH-51-110-3413-1990 CH-51-110-3753-1990 CH-51-110-3754-1990 CH-51-110-3755-1990 CH-51-110-3756-1990
14 daughter colonies of queens mated at the mating station were tested:
CH-51-108-3587-1991 CH-51-108-3588-1991 CH-51-108-3590-1991 CH-51-108-3591-1991 CH-51-108-3594-1991 CH-51-110-3746-1991 CH-51-110-3747-1991 CH-51-110-3748-1991 CH-51-110-4162-1991 CH-51-110-4972-1993 CH-51-110-4973-1993 CH-51-110-4975-1993 CH-51-110-4976-1993 CH-51-110-4977-1993