8 daughter colonies of the 4a were tested:
DE-18-26-4300-2019 AT-99-99-34-2019 AT-99-99-75-2019 AT-99-99-76-2019 AT-99-240-17-2019 AT-99-240-25-2019 AT-99-240-41-2020 AT-99-240-75-2020
13 tested queens were mated at the mating station:
AT-99-99-5-2020 AT-99-109-247-2020 AT-99-109-248-2020 AT-99-240-79-2020 AT-99-345-25-2020 AT-99-345-27-2020 AT-99-345-30-2020 AT-99-671-9336-2020 IT-20-108-1006-2020 IT-20-108-1016-2020 IT-20-108-6009-2020 IT-20-108-6012-2020 IT-20-108-6029-2020
15 daughter colonies of queens mated at the mating station were tested:
AT-99-240-51-2021 IT-20-108-1046-2022 IT-20-108-7037-2021 IT-20-110-34-2022 IT-20-110-36-2022 IT-20-110-37-2022 IT-20-110-38-2022 IT-20-110-39-2022 IT-20-110-41-2022 IT-20-110-1016-2022 IT-20-249-214-2022 IT-20-249-215-2022 IT-20-249-216-2022 IT-20-249-220-2022 IT-20-249-222-2022