7 daughter colonies of the 4a were tested:
DE-2-152-4-2010 DE-2-152-8-2010 DE-2-152-11-2010 DE-2-152-17-2010 DE-2-152-22-2010 DE-2-152-25-2010 DE-2-152-33-2010
7 tested queens were mated at the mating station:
DE-2-152-4-2010 DE-2-152-8-2010 DE-2-152-11-2010 DE-2-152-17-2010 DE-2-152-22-2010 DE-2-152-25-2010 DE-2-152-33-2010
10 daughter colonies of queens mated at the mating station were tested:
DE-2-152-3-2012 DE-2-152-5-2012 DE-2-152-7-2011 DE-2-152-8-2012 DE-2-152-14-2011 DE-2-152-14-2012 DE-2-152-17-2012 DE-2-152-22-2011 DE-2-152-23-2012 DE-2-152-41-2011