11 daughter colonies of the 4a were tested:
DE-16-5-1815-1967 DE-16-5-1820-1967 DE-16-5-1821-1967 DE-16-5-1822-1967 DE-16-5-1823-1967 DE-16-5-1825-1967 DE-16-5-1826-1967 DE-16-5-1828-1967 DE-16-5-1829-1967 DE-16-5-1830-1967 DE-16-5-1831-1967
16 tested queens were mated at the mating station:
DE-16-5-2120-1969 DE-16-5-2121-1969 DE-16-5-2122-1969 DE-16-5-2123-1969 DE-16-5-2125-1969 DE-16-5-2126-1969 DE-16-5-2127-1969 DE-16-5-2128-1969 DE-16-5-2131-1969 DE-16-5-2133-1969 DE-16-5-2136-1969 DE-16-5-2137-1969 DE-16-5-2142-1969 DE-16-5-2144-1969 DE-16-5-2146-1969 DE-16-5-2147-1969
7 daughter colonies of queens mated at the mating station were tested:
DE-16-5-2184-1970 DE-16-5-2185-1970 DE-16-5-2186-1970 DE-16-5-2187-1970 DE-16-5-2188-1970 DE-16-5-2189-1970 DE-16-5-2191-1970