2 daughter colonies of the 4a were tested:
DE-7-151-38-2012 DE-7-151-61-2013
1 tested queens were mated at the mating station:
DE-7-151-38-2012
5 daughter colonies of queens mated at the mating station were tested:
DE-7-151-48-2014 DE-7-151-58-2014 DE-7-151-59-2014 DE-7-151-61-2014 DE-7-151-62-2014