6 daughter colonies of the 4a were tested:
IT-20-35-81-2019 IT-20-35-83-2019 IT-20-35-84-2019 IT-20-35-89-2019 IT-20-35-3503-2019 IT-20-35-3504-2019
1 tested queens were mated at the mating station:
IT-20-106-2053-2020
11 daughter colonies of queens mated at the mating station were tested:
IT-20-106-66-2021 IT-20-106-69-2021 IT-20-106-71-2021 IT-20-106-72-2021 IT-20-106-73-2021 IT-20-106-74-2021 IT-20-106-75-2021 IT-20-106-76-2021 IT-20-106-3003-2021 IT-20-106-3013-2021 IT-20-106-3056-2021