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
43 daughter colonies of queens mated at the mating station were tested:
IT-1-39-2-2023 IT-1-39-4-2023 IT-1-39-6-2023 IT-1-39-7-2023 IT-1-39-8-2023 IT-1-39-20-2023 IT-1-39-31-2023 IT-1-39-32-2023 IT-1-39-91-2023 IT-1-39-133-2023 IT-1-39-141-2023 IT-1-39-145-2023 IT-1-39-180-2023 IT-1-39-186-2023 IT-1-39-210-2023 IT-1-39-245-2023 IT-1-39-261-2023 IT-1-39-276-2023 IT-1-39-296-2023 IT-1-39-313-2023 IT-1-39-336-2023 IT-1-39-349-2023 IT-1-39-352-2023 IT-1-39-356-2023 IT-1-39-360-2023 IT-1-39-362-2023 IT-1-39-363-2023 IT-1-39-403-2023 IT-1-39-420-2023 IT-1-39-428-2023 IT-1-39-483-2023 IT-1-39-484-2023 IT-1-39-495-2023 IT-1-39-496-2023 IT-1-39-499-2023 IT-1-39-515-2023 IT-1-39-522-2023 IT-1-39-531-2023 IT-1-39-596-2023 IT-1-39-626-2023 IT-1-39-633-2023 IT-1-39-634-2023 IT-1-39-651-2023