9 daughter colonies of the 4a were tested:
DE-17-8-4-1970 DE-17-8-242-1970 DE-17-8-244-1970 DE-17-8-245-1970 DE-17-8-246-1970 DE-17-8-247-1970 DE-17-8-248-1970 DE-17-8-249-1970 DE-17-8-250-1970
15 tested queens were mated at the mating station:
DE-17-72-1656-1972 DE-17-72-1658-1972 DE-17-72-1659-1972 DE-17-72-1662-1972 DE-17-72-1663-1972 DE-17-72-1726-1972 DE-17-72-1749-1972 DE-17-72-1750-1972 DE-17-72-1754-1972 DE-17-72-1755-1972 DE-17-72-1756-1972 DE-17-72-1757-1972 DE-17-72-1758-1972 DE-17-72-1759-1972 DE-17-72-1760-1972
5 daughter colonies of queens mated at the mating station were tested:
DE-17-72-146-1975 DE-17-72-162-1975 DE-17-72-171-1975 DE-17-72-178-1975 DE-17-72-190-1975