25 daughter colonies of the 4a were tested:
DE-18-206-3-2012 DE-18-206-15-2012 DE-18-206-51-2012 DE-18-306-7-2012 DE-18-306-9-2012 DE-18-306-17-2012 DE-18-306-21-2012 DE-18-306-22-2012 DE-18-306-24-2012 DE-18-306-41-2011 DE-18-306-42-2011 DE-18-306-52-2010 DE-18-306-52-2011 DE-18-306-54-2010 DE-18-306-54-2011 DE-18-306-56-2012 DE-18-306-57-2010 DE-18-306-57-2011 DE-18-306-57-2012 DE-18-306-58-2010 DE-18-306-58-2011 DE-18-306-59-2010 DE-18-306-91-2010 DE-18-406-35-2012 DE-18-406-38-2012
7 tested queens were mated at the mating station:
DE-15-53-29-2013 DE-15-53-30-2013 DE-15-53-39-2013 DE-18-102-16-2013 DE-18-102-36-2013 DE-18-102-40-2013 DE-18-102-41-2013
7 daughter colonies of queens mated at the mating station were tested:
DE-15-53-38-2014 DE-15-53-94-2016 DE-15-53-95-2016 DE-15-53-96-2016 DE-15-53-97-2016 DE-15-53-98-2016 DE-15-53-99-2016