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
38 tested queens were mated at the mating station:
AT-99-364-101-2020 AT-99-364-102-2020 AT-99-364-103-2020 AT-99-364-104-2020 AT-99-364-105-2020 AT-99-364-106-2020 AT-99-364-107-2020 AT-99-364-230-2020 AT-99-364-231-2020 AT-99-364-503-2020 AT-99-364-504-2020 AT-99-364-505-2020 AT-99-364-506-2020 AT-99-364-507-2020 AT-99-364-510-2020 AT-99-364-511-2020 AT-99-364-512-2020 AT-99-364-800-2020 AT-99-364-801-2020 AT-99-364-802-2020 AT-99-364-803-2020 AT-99-364-804-2020 AT-99-364-805-2020 AT-99-364-806-2020 AT-99-364-807-2020 AT-99-364-809-2020 AT-99-364-903-2020 AT-99-364-904-2020 AT-99-364-905-2020 AT-99-364-910-2020 AT-99-364-911-2020 AT-99-364-912-2020 AT-99-377-52-2020 AT-99-377-82-2020 AT-99-377-83-2020 AT-99-377-99-2020 AT-99-377-120-2020 AT-99-377-442-2020
10 daughter colonies of queens mated at the mating station were tested:
AT-99-364-100-2022 AT-99-364-101-2022 AT-99-364-102-2022 AT-99-364-103-2022 AT-99-364-104-2022 AT-99-364-105-2022 IT-20-145-53-2022 IT-20-145-76-2022 IT-20-145-81-2022 IT-20-145-100-2022