3 daughter colonies of the 4a were tested:
CH-51-15-1853-1985 CH-51-15-1854-1985 CH-51-15-2471-1985
12 tested queens were mated at the mating station:
CH-51-5-2393-1986 CH-51-5-2588-1986 CH-51-7-2197-1986 CH-51-7-2198-1986 CH-51-7-2199-1986 CH-51-7-2200-1986 CH-51-7-2201-1986 CH-51-7-2524-1986 CH-51-7-2630-1986 CH-51-10-2364-1986 CH-51-100-2213-1986 CH-51-100-2530-1986
13 daughter colonies of queens mated at the mating station were tested:
CH-51-10-2752-1988 CH-51-10-2753-1988 CH-51-10-2754-1988 CH-51-10-2936-1989 CH-51-10-2937-1989 CH-51-10-2938-1989 CH-51-10-2939-1989 CH-51-10-2940-1989 CH-51-10-3027-1989 CH-51-10-3028-1989 CH-51-10-3029-1989 CH-51-10-3030-1989 CH-51-10-3223-1989