No daughter colonies of the 4a were tested yet.
3 tested queens were mated at the mating station:
DE-16-55-7-1969 DE-16-70-4-1969 DE-16-70-5-1969
13 daughter colonies of queens mated at the mating station were tested:
DE-16-55-1-1973 DE-16-55-2-1973 DE-16-55-4-1973 DE-16-55-8-1973 DE-16-55-9-1973 DE-16-55-10-1973 DE-16-70-1-1973 DE-16-70-2-1973 DE-16-70-4-1973 DE-16-70-6-1973 DE-16-70-7-1973 DE-16-70-10-1973 DE-16-70-12-1973