2 daughter colonies of the 4a were tested:
DE-16-5-1630-1966 DE-16-5-1646-1966
12 tested queens were mated at the mating station:
DE-16-5-1772-1967 DE-16-5-1774-1967 DE-16-5-1776-1967 DE-16-5-1786-1967 DE-16-5-1787-1967 DE-16-5-1796-1967 DE-16-5-1799-1967 DE-16-5-1800-1967 DE-16-5-1805-1967 DE-16-5-1806-1967 DE-16-5-1807-1967 DE-16-5-1808-1967
16 daughter colonies of queens mated at the mating station were tested:
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