13 daughter colonies of the 4a were tested:
IT-20-70-1-2019 IT-20-70-2-2019 IT-20-70-3-2019 IT-20-70-4-2019 IT-20-70-141-2019 IT-20-70-142-2019 IT-20-70-143-2019 IT-20-70-145-2019 IT-20-70-146-2019 IT-20-70-147-2019 IT-20-70-148-2019 IT-20-70-149-2019 IT-20-70-150-2019
2 tested queens were mated at the mating station:
IT-20-163-1143-2021 IT-20-163-1145-2021
No daughter colonies from colonies mated at the station were tested yet.