6 daughter colonies of the 4a were tested:
CH-51-51-1354-1982 CH-51-51-1355-1982 CH-51-51-1356-1982 CH-51-51-1364-1982 CH-51-51-1365-1982 CH-51-61-1357-1982
7 tested queens were mated at the mating station:
CH-51-2-1969-1984 CH-51-2-2480-1984 CH-51-61-1620-1984 CH-51-61-1621-1984 CH-51-166-1915-1984 CH-51-166-1916-1984 CH-51-166-1917-1984
23 daughter colonies of queens mated at the mating station were tested:
CH-51-51-2215-1986 CH-51-51-2216-1986 CH-51-51-2217-1986 CH-51-51-2223-1986 CH-51-51-2224-1986 CH-51-51-2225-1986 CH-51-51-2226-1986 CH-51-51-2227-1986 CH-51-51-2228-1986 CH-51-51-2229-1986 CH-51-51-2532-1986 CH-51-51-2533-1986 CH-51-51-2534-1986 CH-51-61-1911-1985 CH-51-61-2084-1985 CH-51-61-2218-1986 CH-51-61-2219-1986 CH-51-61-2220-1986 CH-51-61-2221-1986 CH-51-61-2222-1986 CH-51-61-2521-1986 CH-51-61-2522-1986 CH-51-61-2523-1986