11 daughter colonies of the 4a were tested:
DE-2-327-15-2020 AT-99-364-1-2019 AT-99-364-2-2019 AT-99-364-3-2019 AT-99-364-4-2019 AT-99-364-5-2019 AT-99-364-6-2019 AT-99-364-7-2019 AT-99-364-8-2019 AT-99-364-9-2019 NL-55-46-1046-2019
16 tested queens were mated at the mating station:
DE-2-327-63-2020 DE-2-327-64-2020 DE-2-327-98-2020 AT-99-495-153-2020 AT-99-495-154-2020 AT-99-495-155-2020 IT-20-282-86-2020 HR-30-1-34-2020 HR-30-1-46-2020 HR-30-1-70-2020 HR-30-1-109-2020 HR-30-1-164-2020 HR-30-1-477-2020 HR-30-1-479-2020 HR-30-1-481-2020 HR-30-1-483-2020
20 daughter colonies of queens mated at the mating station were tested:
DE-18-43-2-2021 DE-18-43-3-2021 DE-18-43-5-2021 DE-18-43-6-2021 DE-18-43-7-2021 DE-18-43-8-2021 DE-18-43-9-2021 AT-99-495-1-2022 AT-99-495-2-2022 AT-99-495-4-2022 AT-99-495-22-2022 AT-99-495-33-2022 AT-99-495-36-2022 AT-99-495-46-2022 AT-99-495-61-2022 AT-99-495-62-2022 AT-99-495-73-2022 AT-99-495-87-2022 AT-99-495-89-2022 AT-99-495-95-2022