16 daughter colonies of the 4a were tested:
DE-7-166-7-2017 DE-7-166-9-2017 DE-7-166-15-2016 DE-7-166-18-2016 DE-7-166-20-2016 DE-7-166-23-2016 DE-7-166-25-2016 DE-7-166-26-2016 DE-7-166-27-2016 DE-7-166-28-2016 DE-7-166-29-2016 DE-7-166-35-2016 DE-7-166-38-2016 DE-7-166-45-2016 DE-7-166-46-2016 DE-7-166-48-2016
23 tested queens were mated at the mating station:
DE-7-151-2-2018 DE-7-151-28-2018 DE-7-151-29-2018 DE-7-151-30-2018 DE-7-151-57-2018 DE-7-151-58-2018 DE-7-151-59-2018 DE-7-151-61-2018 DE-7-151-62-2018 DE-7-151-75-2018 DE-7-152-16-2018 DE-7-152-20-2018 DE-7-152-21-2018 DE-7-152-22-2018 DE-7-152-23-2018 DE-7-152-24-2018 DE-7-152-26-2018 DE-7-152-27-2018 DE-7-152-46-2018 DE-7-152-63-2018 DE-7-152-64-2018 DE-7-152-65-2018 DE-7-152-66-2018
12 daughter colonies of queens mated at the mating station were tested:
DE-7-152-34-2019 DE-7-152-35-2019 DE-7-152-36-2019 DE-7-152-38-2019 DE-7-152-46-2019 DE-7-152-51-2019 DE-7-152-53-2019 DE-7-152-54-2019 DE-7-152-55-2019 DE-7-152-56-2019 DE-7-152-57-2019 DE-7-152-58-2019