9 daughter colonies of the 4a were tested:
DE-2-501-1-2014 DE-2-501-3-2014 DE-2-501-4-2014 DE-2-715-161-2016 DE-2-715-291-2016 DE-2-715-292-2016 DE-2-715-296-2016 DE-2-715-297-2016 DE-2-749-1-2015
10 tested queens were mated at the mating station:
DE-2-241-59-2015 DE-2-241-63-2015 DE-2-241-64-2015 DE-2-241-68-2015 DE-2-241-82-2015 DE-2-241-85-2015 DE-2-241-87-2015 DE-2-241-90-2015 DE-2-241-91-2015 DE-2-241-95-2015
4 daughter colonies of queens mated at the mating station were tested:
DE-2-241-28-2016 DE-2-241-38-2016 DE-2-241-39-2016 DE-2-241-91-2016