No daughter colonies of the 4a were tested yet.
1 tested queens were mated at the mating station:
DE-7-45-3342-2012
8 daughter colonies of queens mated at the mating station were tested:
DE-1-7-1-2013 DE-1-7-3-2013 DE-1-7-8-2014 DE-1-7-9-2013 DE-1-7-10-2013 DE-1-7-12-2014 DE-1-7-13-2014 DE-1-7-15-2014