14 daughter colonies of the 4a were tested:
DE-2-158-21-2020 DE-2-158-22-2020 DE-2-158-23-2020 DE-2-158-24-2020 DE-2-398-3-2019 DE-2-398-5-2019 DE-2-398-5-2020 DE-2-398-9-2019 DE-2-398-10-2019 DE-2-398-11-2019 DE-2-398-14-2020 DE-2-398-93-2021 DE-2-398-94-2021 DE-2-398-95-2021
4 tested queens were mated at the mating station:
DE-2-158-5-2021 DE-2-158-8-2021 DE-2-158-11-2021 DE-2-158-27-2021
7 daughter colonies of queens mated at the mating station were tested:
DE-2-158-4-2023 DE-2-158-11-2023 DE-2-158-12-2023 DE-2-158-31-2023 DE-2-158-32-2023 DE-2-158-35-2023 DE-2-158-36-2023