6 daughter colonies of the 4a were tested:
DE-6-244-10-1974 DE-6-244-16-1974 DE-6-244-18-1974 DE-6-244-20-1974 DE-6-244-23-1974 DE-6-244-24-1974
5 tested queens were mated at the mating station:
DE-6-244-31-1975 DE-6-244-33-1975 DE-6-244-54-1975 DE-6-244-66-1975 DE-6-244-67-1975
No daughter colonies from colonies mated at the station were tested yet.