6 daughter colonies of the 4a were tested:
IT-1-39-21-2020 IT-1-39-83-2020 IT-1-39-129-2020 IT-1-39-150-2020 IT-1-39-412-2020 IT-1-39-614-2020
41 tested queens were mated at the mating station:
IT-1-39-7-2021 IT-1-39-31-2021 IT-1-39-32-2021 IT-1-39-33-2021 IT-1-39-41-2021 IT-1-39-67-2021 IT-1-39-92-2021 IT-1-39-106-2021 IT-1-39-110-2021 IT-1-39-125-2021 IT-1-39-134-2021 IT-1-39-148-2021 IT-1-39-158-2021 IT-1-39-186-2021 IT-1-39-200-2021 IT-1-39-212-2021 IT-1-39-223-2021 IT-1-39-266-2021 IT-1-39-277-2021 IT-1-39-296-2021 IT-1-39-301-2021 IT-1-39-314-2021 IT-1-39-336-2021 IT-1-39-351-2021 IT-1-39-361-2021 IT-1-39-405-2021 IT-1-39-421-2021 IT-1-39-445-2021 IT-1-39-484-2021 IT-1-39-492-2021 IT-1-39-558-2021 IT-1-39-577-2021 IT-1-39-578-2021 IT-1-39-588-2021 IT-1-39-595-2021 IT-1-39-598-2021 IT-1-39-603-2021 IT-1-39-604-2021 IT-1-39-626-2021 IT-1-39-634-2021 IT-1-39-658-2021
No daughter colonies from colonies mated at the station were tested yet.