10 daughter colonies of the 4a were tested:
IT-20-152-32-2019 IT-20-152-34-2019 IT-20-152-36-2019 IT-20-152-39-2019 IT-20-152-40-2019 IT-20-152-41-2016 IT-20-152-43-2016 IT-20-152-45-2016 IT-20-152-47-2016 IT-20-152-50-2016
1 tested queens were mated at the mating station:
IT-20-145-21-2019
No daughter colonies from colonies mated at the station were tested yet.