12 daughter colonies of the 4a were tested:
DE-2-70-43-2018 DE-2-70-44-2018 DE-2-278-1-2018 DE-2-278-2-2018 DE-2-278-3-2018 DE-2-278-4-2018 DE-2-278-14-2018 DE-2-347-11-2018 DE-2-347-12-2018 DE-2-347-13-2018 DE-2-347-14-2018 DE-7-181-68-2018
20 tested queens were mated at the mating station:
DE-2-278-6-2019 DE-2-278-11-2019 DE-2-278-22-2019 DE-2-278-23-2019 DE-2-278-24-2019 DE-2-278-25-2019 DE-2-278-26-2019 DE-2-278-27-2019 DE-2-278-28-2019 DE-2-278-29-2019 DE-2-278-30-2019 DE-2-278-31-2019 DE-2-278-32-2019 DE-2-278-33-2019 DE-2-278-34-2019 DE-7-181-29-2019 DE-7-203-2-2019 DE-7-203-21-2019 DE-9-21-40-2019 DE-9-21-85-2019
25 daughter colonies of queens mated at the mating station were tested:
DE-2-278-13-2022 DE-2-278-14-2022 DE-2-278-15-2022 DE-2-278-16-2022 DE-2-278-17-2022 DE-2-278-18-2022 DE-2-278-19-2022 DE-2-278-20-2022 DE-2-278-21-2022 DE-2-278-22-2022 DE-2-278-23-2022 DE-2-278-25-2021 DE-2-278-26-2021 DE-2-278-27-2021 DE-2-278-28-2021 DE-2-278-29-2021 DE-2-278-30-2021 DE-2-278-31-2021 DE-2-278-32-2021 DE-2-278-33-2021 DE-2-278-34-2021 DE-2-278-35-2021 DE-2-278-36-2021 DE-2-278-37-2021 DE-2-278-38-2021