No daughter colonies of the 4a were tested yet.
4 tested queens were mated at the mating station:
DE-1-7-1-2013 DE-1-7-3-2013 DE-1-7-9-2013 DE-1-7-10-2013
7 daughter colonies of queens mated at the mating station were tested:
DE-1-7-31-2015 DE-1-7-32-2015 DE-1-7-34-2015 DE-1-7-35-2015 DE-1-7-38-2015 DE-1-7-39-2015 DE-1-7-41-2015