1 daughter colonies of the 4a were tested:
DE-8-52-1444-1967
3 tested queens were mated at the mating station:
DE-8-52-173-1969 DE-8-52-1733-1969 DE-8-52-1740-1969
11 daughter colonies of queens mated at the mating station were tested:
DE-8-52-1821-1970 DE-8-52-1883-1971 DE-8-52-1884-1971 DE-8-52-1885-1971 DE-8-52-1888-1971 DE-8-52-1889-1971 DE-8-52-1890-1971 DE-8-52-1896-1971 DE-8-52-1897-1971 DE-8-52-1898-1971 DE-8-52-1899-1971