30 daughter colonies of the 4a were tested:
CH-51-7-1798-1985 CH-51-7-1799-1985 CH-51-7-1800-1985 CH-51-7-1801-1985 CH-51-7-1802-1985 CH-51-7-1803-1985 CH-51-7-1804-1985 CH-51-7-1805-1985 CH-51-7-1806-1985 CH-51-7-1807-1985 CH-51-7-1832-1985 CH-51-7-1833-1985 CH-51-7-1834-1985 CH-51-7-1835-1985 CH-51-7-1836-1985 CH-51-7-1837-1985 CH-51-7-2461-1985 CH-51-7-2462-1985 CH-51-13-1829-1985 CH-51-13-1830-1985 CH-51-13-1831-1985 CH-51-13-1871-1985 CH-51-13-2050-1985 CH-51-13-2051-1985 CH-51-13-2052-1985 CH-51-13-2053-1985 CH-51-13-2054-1985 CH-51-13-2478-1985 CH-51-15-1859-1985 CH-51-15-1860-1985
12 tested queens were mated at the mating station:
CH-51-8-2357-1986 CH-51-8-2358-1986 CH-51-8-2359-1986 CH-51-8-2360-1986 CH-51-10-2202-1986 CH-51-10-2203-1986 CH-51-10-2526-1986 CH-51-10-2527-1986 CH-51-12-2410-1986 CH-51-131-2315-1986 CH-51-132-2765-1986 CH-51-202-3074-1986
23 daughter colonies of queens mated at the mating station were tested:
CH-51-8-2784-1988 CH-51-8-3009-1988 CH-51-8-3010-1988 CH-51-8-3011-1988 CH-51-8-3013-1988 CH-51-8-3155-1988 CH-51-8-3158-1989 CH-51-8-3159-1989 CH-51-8-3160-1989 CH-51-8-3161-1989 CH-51-8-3162-1989 CH-51-8-3163-1989 CH-51-8-3164-1989 CH-51-8-3165-1989 CH-51-8-3166-1989 CH-51-8-3216-1988 CH-51-8-3398-1988 CH-51-16-3253-1989 CH-51-16-3254-1989 CH-51-16-3255-1989 CH-51-202-3141-1988 CH-51-202-3442-1990 CH-51-202-3443-1990